19486980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:567

約数の個数: 120

約数和(自身を含む): 63911232

約数和(自身を除く): 44424252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 523, 540, 621, 690, 810, 828, 1035, 1046, 1242, 1380, 1569, 1620, 1863, 2070, 2092, 2484, 2615, 3105, 3138, 3726, 4140, 4707, 5230, 6210, 6276, 7452, 7845, 9315, 9414, 10460, 12029, 12420, 14121, 15690, 18630, 18828, 23535, 24058, 28242, 31380, 36087, 37260, 42363, 47070, 48116, 56484, 60145, 70605, 72174, 84726, 94140, 108261, 120290, 141210, 144348, 169452, 180435, 211815, 216522, 240580, 282420, 324783, 360870, 423630, 433044, 541305, 649566, 721740, 847260, 974349, 1082610, 1299132, 1623915, 1948698, 2165220, 3247830, 3897396, 4871745, 6495660, 9743490, 19486980]

約数ペア:

[(1, 19486980), (2, 9743490), (3, 6495660), (4, 4871745), (5, 3897396), (6, 3247830), (9, 2165220), (10, 1948698), (12, 1623915), (15, 1299132), (18, 1082610), (20, 974349), (23, 847260), (27, 721740), (30, 649566), (36, 541305), (45, 433044), (46, 423630), (54, 360870), (60, 324783), (69, 282420), (81, 240580), (90, 216522), (92, 211815), (108, 180435), (115, 169452), (135, 144348), (138, 141210), (162, 120290), (180, 108261), (207, 94140), (230, 84726), (270, 72174), (276, 70605), (324, 60145), (345, 56484), (405, 48116), (414, 47070), (460, 42363), (523, 37260), (540, 36087), (621, 31380), (690, 28242), (810, 24058), (828, 23535), (1035, 18828), (1046, 18630), (1242, 15690), (1380, 14121), (1569, 12420), (1620, 12029), (1863, 10460), (2070, 9414), (2092, 9315), (2484, 7845), (2615, 7452), (3105, 6276), (3138, 6210), (3726, 5230), (4140, 4707)]