18965616

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 33531024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 41, 46, 48, 69, 82, 92, 123, 138, 164, 184, 246, 276, 328, 368, 419, 492, 552, 656, 838, 943, 984, 1104, 1257, 1676, 1886, 1968, 2514, 2829, 3352, 3772, 5028, 5658, 6704, 7544, 9637, 10056, 11316, 15088, 17179, 19274, 20112, 22632, 28911, 34358, 38548, 45264, 51537, 57822, 68716, 77096, 103074, 115644, 137432, 154192, 206148, 231288, 274864, 395117, 412296, 462576, 790234, 824592, 1185351, 1580468, 2370702, 3160936, 4741404, 6321872, 9482808, 18965616]

約数ペア:

[(1, 18965616), (2, 9482808), (3, 6321872), (4, 4741404), (6, 3160936), (8, 2370702), (12, 1580468), (16, 1185351), (23, 824592), (24, 790234), (41, 462576), (46, 412296), (48, 395117), (69, 274864), (82, 231288), (92, 206148), (123, 154192), (138, 137432), (164, 115644), (184, 103074), (246, 77096), (276, 68716), (328, 57822), (368, 51537), (419, 45264), (492, 38548), (552, 34358), (656, 28911), (838, 22632), (943, 20112), (984, 19274), (1104, 17179), (1257, 15088), (1676, 11316), (1886, 10056), (1968, 9637), (2514, 7544), (2829, 6704), (3352, 5658), (3772, 5028)]