18949560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1365

約数の個数: 128

約数和(自身を含む): 68843520

約数和(自身を除く): 49893960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1327, 1428, 1785, 2040, 2380, 2654, 2856, 3570, 3981, 4760, 5308, 6635, 7140, 7962, 9289, 10616, 13270, 14280, 15924, 18578, 19905, 22559, 26540, 27867, 31848, 37156, 39810, 45118, 46445, 53080, 55734, 67677, 74312, 79620, 90236, 92890, 111468, 112795, 135354, 139335, 157913, 159240, 180472, 185780, 222936, 225590, 270708, 278670, 315826, 338385, 371560, 451180, 473739, 541416, 557340, 631652, 676770, 789565, 902360, 947478, 1114680, 1263304, 1353540, 1579130, 1894956, 2368695, 2707080, 3158260, 3789912, 4737390, 6316520, 9474780, 18949560]

約数ペア:

[(1, 18949560), (2, 9474780), (3, 6316520), (4, 4737390), (5, 3789912), (6, 3158260), (7, 2707080), (8, 2368695), (10, 1894956), (12, 1579130), (14, 1353540), (15, 1263304), (17, 1114680), (20, 947478), (21, 902360), (24, 789565), (28, 676770), (30, 631652), (34, 557340), (35, 541416), (40, 473739), (42, 451180), (51, 371560), (56, 338385), (60, 315826), (68, 278670), (70, 270708), (84, 225590), (85, 222936), (102, 185780), (105, 180472), (119, 159240), (120, 157913), (136, 139335), (140, 135354), (168, 112795), (170, 111468), (204, 92890), (210, 90236), (238, 79620), (255, 74312), (280, 67677), (340, 55734), (357, 53080), (408, 46445), (420, 45118), (476, 39810), (510, 37156), (595, 31848), (680, 27867), (714, 26540), (840, 22559), (952, 19905), (1020, 18578), (1190, 15924), (1327, 14280), (1428, 13270), (1785, 10616), (2040, 9289), (2380, 7962), (2654, 7140), (2856, 6635), (3570, 5308), (3981, 4760)]