18973872

素因数分解:

$2^4\times 3^3\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 36022608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 167, 216, 263, 334, 432, 501, 526, 668, 789, 1002, 1052, 1336, 1503, 1578, 2004, 2104, 2367, 2672, 3006, 3156, 4008, 4208, 4509, 4734, 6012, 6312, 7101, 8016, 9018, 9468, 12024, 12624, 14202, 18036, 18936, 24048, 28404, 36072, 37872, 43921, 56808, 72144, 87842, 113616, 131763, 175684, 263526, 351368, 395289, 527052, 702736, 790578, 1054104, 1185867, 1581156, 2108208, 2371734, 3162312, 4743468, 6324624, 9486936, 18973872]

約数ペア:

[(1, 18973872), (2, 9486936), (3, 6324624), (4, 4743468), (6, 3162312), (8, 2371734), (9, 2108208), (12, 1581156), (16, 1185867), (18, 1054104), (24, 790578), (27, 702736), (36, 527052), (48, 395289), (54, 351368), (72, 263526), (108, 175684), (144, 131763), (167, 113616), (216, 87842), (263, 72144), (334, 56808), (432, 43921), (501, 37872), (526, 36072), (668, 28404), (789, 24048), (1002, 18936), (1052, 18036), (1336, 14202), (1503, 12624), (1578, 12024), (2004, 9468), (2104, 9018), (2367, 8016), (2672, 7101), (3006, 6312), (3156, 6012), (4008, 4734), (4208, 4509)]