19742268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 37834692

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 101, 156, 179, 182, 202, 273, 303, 358, 364, 404, 537, 546, 606, 707, 716, 1074, 1092, 1212, 1253, 1313, 1414, 2121, 2148, 2327, 2506, 2626, 2828, 3759, 3939, 4242, 4654, 5012, 5252, 6981, 7518, 7878, 8484, 9191, 9308, 13962, 15036, 15756, 16289, 18079, 18382, 27573, 27924, 32578, 36158, 36764, 48867, 54237, 55146, 65156, 72316, 97734, 108474, 110292, 126553, 195468, 216948, 235027, 253106, 379659, 470054, 506212, 705081, 759318, 940108, 1410162, 1518636, 1645189, 2820324, 3290378, 4935567, 6580756, 9871134, 19742268]

約数ペア:

[(1, 19742268), (2, 9871134), (3, 6580756), (4, 4935567), (6, 3290378), (7, 2820324), (12, 1645189), (13, 1518636), (14, 1410162), (21, 940108), (26, 759318), (28, 705081), (39, 506212), (42, 470054), (52, 379659), (78, 253106), (84, 235027), (91, 216948), (101, 195468), (156, 126553), (179, 110292), (182, 108474), (202, 97734), (273, 72316), (303, 65156), (358, 55146), (364, 54237), (404, 48867), (537, 36764), (546, 36158), (606, 32578), (707, 27924), (716, 27573), (1074, 18382), (1092, 18079), (1212, 16289), (1253, 15756), (1313, 15036), (1414, 13962), (2121, 9308), (2148, 9191), (2327, 8484), (2506, 7878), (2626, 7518), (2828, 6981), (3759, 5252), (3939, 5012), (4242, 4654)]