18859776

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1921

約数の個数: 72

約数和(自身を含む): 54084240

約数和(自身を除く): 35224464

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1889, 2496, 3328, 3778, 4992, 5667, 7556, 9984, 11334, 15112, 22668, 24557, 30224, 45336, 49114, 60448, 73671, 90672, 98228, 120896, 147342, 181344, 196456, 241792, 294684, 362688, 392912, 483584, 589368, 725376, 785824, 1178736, 1450752, 1571648, 2357472, 3143296, 4714944, 6286592, 9429888, 18859776]

約数ペア:

[(1, 18859776), (2, 9429888), (3, 6286592), (4, 4714944), (6, 3143296), (8, 2357472), (12, 1571648), (13, 1450752), (16, 1178736), (24, 785824), (26, 725376), (32, 589368), (39, 483584), (48, 392912), (52, 362688), (64, 294684), (78, 241792), (96, 196456), (104, 181344), (128, 147342), (156, 120896), (192, 98228), (208, 90672), (256, 73671), (312, 60448), (384, 49114), (416, 45336), (624, 30224), (768, 24557), (832, 22668), (1248, 15112), (1664, 11334), (1889, 9984), (2496, 7556), (3328, 5667), (3778, 4992)]