19813411660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{10331}}^1$

素因数の和:10476

約数の個数: 144

約数和(自身を含む): 51448400640

約数和(自身を除く): 31634988980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 103, 133, 140, 190, 196, 206, 245, 266, 380, 412, 490, 515, 532, 665, 721, 931, 980, 1030, 1330, 1442, 1862, 1957, 2060, 2660, 2884, 3605, 3724, 3914, 4655, 5047, 7210, 7828, 9310, 9785, 10094, 10331, 13699, 14420, 18620, 19570, 20188, 20662, 25235, 27398, 39140, 41324, 50470, 51655, 54796, 68495, 72317, 95893, 100940, 103310, 136990, 144634, 191786, 196289, 206620, 273980, 289268, 361585, 383572, 392578, 479465, 506219, 723170, 785156, 958930, 981445, 1012438, 1064093, 1374023, 1446340, 1917860, 1962890, 2024876, 2128186, 2531095, 2748046, 3925780, 4256372, 5062190, 5320465, 5496092, 6870115, 7448651, 9618161, 10124380, 10640930, 13740230, 14897302, 19236322, 20217767, 21281860, 27480460, 29794604, 37243255, 38472644, 40435534, 48090805, 52140557, 74486510, 80871068, 96181610, 101088835, 104281114, 141524369, 148973020, 192363220, 202177670, 208562228, 260702785, 283048738, 404355340, 521405570, 566097476, 707621845, 990670583, 1042811140, 1415243690, 1981341166, 2830487380, 3962682332, 4953352915, 9906705830, 19813411660]

約数ペア:

[(1, 19813411660), (2, 9906705830), (4, 4953352915), (5, 3962682332), (7, 2830487380), (10, 1981341166), (14, 1415243690), (19, 1042811140), (20, 990670583), (28, 707621845), (35, 566097476), (38, 521405570), (49, 404355340), (70, 283048738), (76, 260702785), (95, 208562228), (98, 202177670), (103, 192363220), (133, 148973020), (140, 141524369), (190, 104281114), (196, 101088835), (206, 96181610), (245, 80871068), (266, 74486510), (380, 52140557), (412, 48090805), (490, 40435534), (515, 38472644), (532, 37243255), (665, 29794604), (721, 27480460), (931, 21281860), (980, 20217767), (1030, 19236322), (1330, 14897302), (1442, 13740230), (1862, 10640930), (1957, 10124380), (2060, 9618161), (2660, 7448651), (2884, 6870115), (3605, 5496092), (3724, 5320465), (3914, 5062190), (4655, 4256372), (5047, 3925780), (7210, 2748046), (7828, 2531095), (9310, 2128186), (9785, 2024876), (10094, 1962890), (10331, 1917860), (13699, 1446340), (14420, 1374023), (18620, 1064093), (19570, 1012438), (20188, 981445), (20662, 958930), (25235, 785156), (27398, 723170), (39140, 506219), (41324, 479465), (50470, 392578), (51655, 383572), (54796, 361585), (68495, 289268), (72317, 273980), (95893, 206620), (100940, 196289), (103310, 191786), (136990, 144634)]