1908698974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{3511}}^1$

素因数の和:3665

約数の個数: 64

約数和(自身を含む): 3681699840

約数和(自身を除く): 1773000866

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 103, 182, 203, 206, 377, 406, 721, 754, 1339, 1442, 2639, 2678, 2987, 3511, 5278, 5974, 7022, 9373, 18746, 20909, 24577, 38831, 41818, 45643, 49154, 77662, 91286, 101819, 203638, 271817, 319501, 361633, 543634, 639002, 712733, 723266, 1323647, 1425466, 2531431, 2647294, 4701229, 5062862, 9265529, 9402458, 10487357, 18531058, 20974714, 32908603, 65817206, 73411499, 136335641, 146822998, 272671282, 954349487, 1908698974]

約数ペア:

[(1, 1908698974), (2, 954349487), (7, 272671282), (13, 146822998), (14, 136335641), (26, 73411499), (29, 65817206), (58, 32908603), (91, 20974714), (103, 18531058), (182, 10487357), (203, 9402458), (206, 9265529), (377, 5062862), (406, 4701229), (721, 2647294), (754, 2531431), (1339, 1425466), (1442, 1323647), (2639, 723266), (2678, 712733), (2987, 639002), (3511, 543634), (5278, 361633), (5974, 319501), (7022, 271817), (9373, 203638), (18746, 101819), (20909, 91286), (24577, 77662), (38831, 49154), (41818, 45643)]