19085520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 59585472

約数和(自身を除く): 40499952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 283, 562, 566, 843, 849, 1124, 1132, 1405, 1415, 1686, 1698, 2248, 2264, 2810, 2830, 3372, 3396, 4215, 4245, 4496, 4528, 5620, 5660, 6744, 6792, 8430, 8490, 11240, 11320, 13488, 13584, 16860, 16980, 22480, 22640, 33720, 33960, 67440, 67920, 79523, 159046, 238569, 318092, 397615, 477138, 636184, 795230, 954276, 1192845, 1272368, 1590460, 1908552, 2385690, 3180920, 3817104, 4771380, 6361840, 9542760, 19085520]

約数ペア:

[(1, 19085520), (2, 9542760), (3, 6361840), (4, 4771380), (5, 3817104), (6, 3180920), (8, 2385690), (10, 1908552), (12, 1590460), (15, 1272368), (16, 1192845), (20, 954276), (24, 795230), (30, 636184), (40, 477138), (48, 397615), (60, 318092), (80, 238569), (120, 159046), (240, 79523), (281, 67920), (283, 67440), (562, 33960), (566, 33720), (843, 22640), (849, 22480), (1124, 16980), (1132, 16860), (1405, 13584), (1415, 13488), (1686, 11320), (1698, 11240), (2248, 8490), (2264, 8430), (2810, 6792), (2830, 6744), (3372, 5660), (3396, 5620), (4215, 4528), (4245, 4496)]