18970860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 37638420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 59, 60, 69, 92, 115, 118, 138, 177, 230, 233, 236, 276, 295, 345, 354, 460, 466, 590, 690, 699, 708, 885, 932, 1165, 1180, 1357, 1380, 1398, 1770, 2330, 2714, 2796, 3495, 3540, 4071, 4660, 5359, 5428, 6785, 6990, 8142, 10718, 13570, 13747, 13980, 16077, 16284, 20355, 21436, 26795, 27140, 27494, 32154, 40710, 41241, 53590, 54988, 64308, 68735, 80385, 81420, 82482, 107180, 137470, 160770, 164964, 206205, 274940, 316181, 321540, 412410, 632362, 824820, 948543, 1264724, 1580905, 1897086, 3161810, 3794172, 4742715, 6323620, 9485430, 18970860]

約数ペア:

[(1, 18970860), (2, 9485430), (3, 6323620), (4, 4742715), (5, 3794172), (6, 3161810), (10, 1897086), (12, 1580905), (15, 1264724), (20, 948543), (23, 824820), (30, 632362), (46, 412410), (59, 321540), (60, 316181), (69, 274940), (92, 206205), (115, 164964), (118, 160770), (138, 137470), (177, 107180), (230, 82482), (233, 81420), (236, 80385), (276, 68735), (295, 64308), (345, 54988), (354, 53590), (460, 41241), (466, 40710), (590, 32154), (690, 27494), (699, 27140), (708, 26795), (885, 21436), (932, 20355), (1165, 16284), (1180, 16077), (1357, 13980), (1380, 13747), (1398, 13570), (1770, 10718), (2330, 8142), (2714, 6990), (2796, 6785), (3495, 5428), (3540, 5359), (4071, 4660)]