18967968

素因数分解:

$2^5\times 3^2\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 72

約数和(自身を含む): 54800928

約数和(自身を除く): 35832960

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 67, 72, 96, 134, 144, 201, 268, 288, 402, 536, 603, 804, 983, 1072, 1206, 1608, 1966, 2144, 2412, 2949, 3216, 3932, 4824, 5898, 6432, 7864, 8847, 9648, 11796, 15728, 17694, 19296, 23592, 31456, 35388, 47184, 65861, 70776, 94368, 131722, 141552, 197583, 263444, 283104, 395166, 526888, 592749, 790332, 1053776, 1185498, 1580664, 2107552, 2370996, 3161328, 4741992, 6322656, 9483984, 18967968]

約数ペア:

[(1, 18967968), (2, 9483984), (3, 6322656), (4, 4741992), (6, 3161328), (8, 2370996), (9, 2107552), (12, 1580664), (16, 1185498), (18, 1053776), (24, 790332), (32, 592749), (36, 526888), (48, 395166), (67, 283104), (72, 263444), (96, 197583), (134, 141552), (144, 131722), (201, 94368), (268, 70776), (288, 65861), (402, 47184), (536, 35388), (603, 31456), (804, 23592), (983, 19296), (1072, 17694), (1206, 15728), (1608, 11796), (1966, 9648), (2144, 8847), (2412, 7864), (2949, 6432), (3216, 5898), (3932, 4824)]