18504304

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 26492816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 179, 182, 208, 284, 358, 364, 497, 568, 716, 728, 923, 994, 1136, 1253, 1432, 1456, 1846, 1988, 2327, 2506, 2864, 3692, 3976, 4654, 5012, 6461, 7384, 7952, 9308, 10024, 12709, 12922, 14768, 16289, 18616, 20048, 25418, 25844, 32578, 37232, 50836, 51688, 65156, 88963, 101672, 103376, 130312, 165217, 177926, 203344, 260624, 330434, 355852, 660868, 711704, 1156519, 1321736, 1423408, 2313038, 2643472, 4626076, 9252152, 18504304]

約数ペア:

[(1, 18504304), (2, 9252152), (4, 4626076), (7, 2643472), (8, 2313038), (13, 1423408), (14, 1321736), (16, 1156519), (26, 711704), (28, 660868), (52, 355852), (56, 330434), (71, 260624), (91, 203344), (104, 177926), (112, 165217), (142, 130312), (179, 103376), (182, 101672), (208, 88963), (284, 65156), (358, 51688), (364, 50836), (497, 37232), (568, 32578), (716, 25844), (728, 25418), (923, 20048), (994, 18616), (1136, 16289), (1253, 14768), (1432, 12922), (1456, 12709), (1846, 10024), (1988, 9308), (2327, 7952), (2506, 7384), (2864, 6461), (3692, 5012), (3976, 4654)]