19736964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 54257112

約数和(自身を除く): 34520148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 233, 234, 362, 466, 468, 543, 699, 724, 932, 1086, 1398, 1629, 2097, 2172, 2353, 2796, 3029, 3258, 4194, 4706, 6058, 6516, 7059, 8388, 9087, 9412, 12116, 14118, 18174, 21177, 27261, 28236, 36348, 42173, 42354, 54522, 84346, 84708, 109044, 126519, 168692, 253038, 379557, 506076, 548249, 759114, 1096498, 1518228, 1644747, 2192996, 3289494, 4934241, 6578988, 9868482, 19736964]

約数ペア:

[(1, 19736964), (2, 9868482), (3, 6578988), (4, 4934241), (6, 3289494), (9, 2192996), (12, 1644747), (13, 1518228), (18, 1096498), (26, 759114), (36, 548249), (39, 506076), (52, 379557), (78, 253038), (117, 168692), (156, 126519), (181, 109044), (233, 84708), (234, 84346), (362, 54522), (466, 42354), (468, 42173), (543, 36348), (699, 28236), (724, 27261), (932, 21177), (1086, 18174), (1398, 14118), (1629, 12116), (2097, 9412), (2172, 9087), (2353, 8388), (2796, 7059), (3029, 6516), (3258, 6058), (4194, 4706)]