19354920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 65923200

約数和(自身を除く): 46568280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 653, 741, 760, 780, 988, 1140, 1235, 1306, 1482, 1560, 1959, 1976, 2280, 2470, 2612, 2964, 3265, 3705, 3918, 4940, 5224, 5928, 6530, 7410, 7836, 8489, 9795, 9880, 12407, 13060, 14820, 15672, 16978, 19590, 24814, 25467, 26120, 29640, 33956, 37221, 39180, 42445, 49628, 50934, 62035, 67912, 74442, 78360, 84890, 99256, 101868, 124070, 127335, 148884, 161291, 169780, 186105, 203736, 248140, 254670, 297768, 322582, 339560, 372210, 483873, 496280, 509340, 645164, 744420, 806455, 967746, 1018680, 1290328, 1488840, 1612910, 1935492, 2419365, 3225820, 3870984, 4838730, 6451640, 9677460, 19354920]

約数ペア:

[(1, 19354920), (2, 9677460), (3, 6451640), (4, 4838730), (5, 3870984), (6, 3225820), (8, 2419365), (10, 1935492), (12, 1612910), (13, 1488840), (15, 1290328), (19, 1018680), (20, 967746), (24, 806455), (26, 744420), (30, 645164), (38, 509340), (39, 496280), (40, 483873), (52, 372210), (57, 339560), (60, 322582), (65, 297768), (76, 254670), (78, 248140), (95, 203736), (104, 186105), (114, 169780), (120, 161291), (130, 148884), (152, 127335), (156, 124070), (190, 101868), (195, 99256), (228, 84890), (247, 78360), (260, 74442), (285, 67912), (312, 62035), (380, 50934), (390, 49628), (456, 42445), (494, 39180), (520, 37221), (570, 33956), (653, 29640), (741, 26120), (760, 25467), (780, 24814), (988, 19590), (1140, 16978), (1235, 15672), (1306, 14820), (1482, 13060), (1560, 12407), (1959, 9880), (1976, 9795), (2280, 8489), (2470, 7836), (2612, 7410), (2964, 6530), (3265, 5928), (3705, 5224), (3918, 4940)]