19955052

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 56871360

約数和(自身を除く): 36916308

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 108, 117, 122, 156, 183, 233, 234, 244, 351, 366, 466, 468, 549, 699, 702, 732, 793, 932, 1098, 1398, 1404, 1586, 1647, 2097, 2196, 2379, 2796, 3029, 3172, 3294, 4194, 4758, 6058, 6291, 6588, 7137, 8388, 9087, 9516, 12116, 12582, 14213, 14274, 18174, 21411, 25164, 27261, 28426, 28548, 36348, 42639, 42822, 54522, 56852, 81783, 85278, 85644, 109044, 127917, 163566, 170556, 184769, 255834, 327132, 369538, 383751, 511668, 554307, 739076, 767502, 1108614, 1535004, 1662921, 2217228, 3325842, 4988763, 6651684, 9977526, 19955052]

約数ペア:

[(1, 19955052), (2, 9977526), (3, 6651684), (4, 4988763), (6, 3325842), (9, 2217228), (12, 1662921), (13, 1535004), (18, 1108614), (26, 767502), (27, 739076), (36, 554307), (39, 511668), (52, 383751), (54, 369538), (61, 327132), (78, 255834), (108, 184769), (117, 170556), (122, 163566), (156, 127917), (183, 109044), (233, 85644), (234, 85278), (244, 81783), (351, 56852), (366, 54522), (466, 42822), (468, 42639), (549, 36348), (699, 28548), (702, 28426), (732, 27261), (793, 25164), (932, 21411), (1098, 18174), (1398, 14274), (1404, 14213), (1586, 12582), (1647, 12116), (2097, 9516), (2196, 9087), (2379, 8388), (2796, 7137), (3029, 6588), (3172, 6291), (3294, 6058), (4194, 4758)]