18984560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 53434080

約数和(自身を除く): 34449520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 167, 196, 203, 232, 245, 280, 290, 334, 392, 406, 464, 490, 560, 580, 668, 784, 812, 835, 980, 1015, 1160, 1169, 1336, 1421, 1624, 1670, 1960, 2030, 2320, 2338, 2672, 2842, 3248, 3340, 3920, 4060, 4676, 4843, 5684, 5845, 6680, 7105, 8120, 8183, 9352, 9686, 11368, 11690, 13360, 14210, 16240, 16366, 18704, 19372, 22736, 23380, 24215, 28420, 32732, 33901, 38744, 40915, 46760, 48430, 56840, 65464, 67802, 77488, 81830, 93520, 96860, 113680, 130928, 135604, 163660, 169505, 193720, 237307, 271208, 327320, 339010, 387440, 474614, 542416, 654640, 678020, 949228, 1186535, 1356040, 1898456, 2373070, 2712080, 3796912, 4746140, 9492280, 18984560]

約数ペア:

[(1, 18984560), (2, 9492280), (4, 4746140), (5, 3796912), (7, 2712080), (8, 2373070), (10, 1898456), (14, 1356040), (16, 1186535), (20, 949228), (28, 678020), (29, 654640), (35, 542416), (40, 474614), (49, 387440), (56, 339010), (58, 327320), (70, 271208), (80, 237307), (98, 193720), (112, 169505), (116, 163660), (140, 135604), (145, 130928), (167, 113680), (196, 96860), (203, 93520), (232, 81830), (245, 77488), (280, 67802), (290, 65464), (334, 56840), (392, 48430), (406, 46760), (464, 40915), (490, 38744), (560, 33901), (580, 32732), (668, 28420), (784, 24215), (812, 23380), (835, 22736), (980, 19372), (1015, 18704), (1160, 16366), (1169, 16240), (1336, 14210), (1421, 13360), (1624, 11690), (1670, 11368), (1960, 9686), (2030, 9352), (2320, 8183), (2338, 8120), (2672, 7105), (2842, 6680), (3248, 5845), (3340, 5684), (3920, 4843), (4060, 4676)]