18641880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 128

約数和(自身を含む): 63806400

約数和(自身を除く): 45164520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 205, 216, 246, 270, 328, 360, 369, 410, 421, 492, 540, 615, 738, 820, 842, 984, 1080, 1107, 1230, 1263, 1476, 1640, 1684, 1845, 2105, 2214, 2460, 2526, 2952, 3368, 3690, 3789, 4210, 4428, 4920, 5052, 5535, 6315, 7380, 7578, 8420, 8856, 10104, 11070, 11367, 12630, 14760, 15156, 16840, 17261, 18945, 22140, 22734, 25260, 30312, 34522, 37890, 44280, 45468, 50520, 51783, 56835, 69044, 75780, 86305, 90936, 103566, 113670, 138088, 151560, 155349, 172610, 207132, 227340, 258915, 310698, 345220, 414264, 454680, 466047, 517830, 621396, 690440, 776745, 932094, 1035660, 1242792, 1553490, 1864188, 2071320, 2330235, 3106980, 3728376, 4660470, 6213960, 9320940, 18641880]

約数ペア:

[(1, 18641880), (2, 9320940), (3, 6213960), (4, 4660470), (5, 3728376), (6, 3106980), (8, 2330235), (9, 2071320), (10, 1864188), (12, 1553490), (15, 1242792), (18, 1035660), (20, 932094), (24, 776745), (27, 690440), (30, 621396), (36, 517830), (40, 466047), (41, 454680), (45, 414264), (54, 345220), (60, 310698), (72, 258915), (82, 227340), (90, 207132), (108, 172610), (120, 155349), (123, 151560), (135, 138088), (164, 113670), (180, 103566), (205, 90936), (216, 86305), (246, 75780), (270, 69044), (328, 56835), (360, 51783), (369, 50520), (410, 45468), (421, 44280), (492, 37890), (540, 34522), (615, 30312), (738, 25260), (820, 22734), (842, 22140), (984, 18945), (1080, 17261), (1107, 16840), (1230, 15156), (1263, 14760), (1476, 12630), (1640, 11367), (1684, 11070), (1845, 10104), (2105, 8856), (2214, 8420), (2460, 7578), (2526, 7380), (2952, 6315), (3368, 5535), (3690, 5052), (3789, 4920), (4210, 4428)]