19063120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 47729088

約数和(自身を除く): 28665968

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 131, 136, 170, 214, 262, 272, 340, 428, 524, 535, 655, 680, 856, 1048, 1070, 1310, 1360, 1712, 1819, 2096, 2140, 2227, 2620, 3638, 4280, 4454, 5240, 7276, 8560, 8908, 9095, 10480, 11135, 14017, 14552, 17816, 18190, 22270, 28034, 29104, 35632, 36380, 44540, 56068, 70085, 72760, 89080, 112136, 140170, 145520, 178160, 224272, 238289, 280340, 476578, 560680, 953156, 1121360, 1191445, 1906312, 2382890, 3812624, 4765780, 9531560, 19063120]

約数ペア:

[(1, 19063120), (2, 9531560), (4, 4765780), (5, 3812624), (8, 2382890), (10, 1906312), (16, 1191445), (17, 1121360), (20, 953156), (34, 560680), (40, 476578), (68, 280340), (80, 238289), (85, 224272), (107, 178160), (131, 145520), (136, 140170), (170, 112136), (214, 89080), (262, 72760), (272, 70085), (340, 56068), (428, 44540), (524, 36380), (535, 35632), (655, 29104), (680, 28034), (856, 22270), (1048, 18190), (1070, 17816), (1310, 14552), (1360, 14017), (1712, 11135), (1819, 10480), (2096, 9095), (2140, 8908), (2227, 8560), (2620, 7276), (3638, 5240), (4280, 4454)]