2018358728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1091}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 4094737920

約数和(自身を除く): 2076379192

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 223, 244, 446, 488, 892, 1037, 1091, 1784, 2074, 2182, 3791, 4148, 4364, 7582, 8296, 8728, 13603, 15164, 18547, 27206, 30328, 37094, 54412, 66551, 74188, 108824, 133102, 148376, 231251, 243293, 266204, 462502, 486586, 532408, 925004, 973172, 1131367, 1850008, 1946344, 2262734, 4135981, 4525468, 8271962, 9050936, 14840873, 16543924, 29681746, 33087848, 59363492, 118726984, 252294841, 504589682, 1009179364, 2018358728]

約数ペア:

[(1, 2018358728), (2, 1009179364), (4, 504589682), (8, 252294841), (17, 118726984), (34, 59363492), (61, 33087848), (68, 29681746), (122, 16543924), (136, 14840873), (223, 9050936), (244, 8271962), (446, 4525468), (488, 4135981), (892, 2262734), (1037, 1946344), (1091, 1850008), (1784, 1131367), (2074, 973172), (2182, 925004), (3791, 532408), (4148, 486586), (4364, 462502), (7582, 266204), (8296, 243293), (8728, 231251), (13603, 148376), (15164, 133102), (18547, 108824), (27206, 74188), (30328, 66551), (37094, 54412)]