19428291240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{205721}}^1$

素因数の和:206522

約数の個数: 64

約数和(自身を含む): 58359216960

約数和(自身を除く): 38930925720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 787, 1574, 2361, 3148, 3935, 4722, 6296, 7870, 9444, 11805, 15740, 18888, 23610, 31480, 47220, 94440, 205721, 411442, 617163, 822884, 1028605, 1234326, 1645768, 2057210, 2468652, 3085815, 4114420, 4937304, 6171630, 8228840, 12343260, 24686520, 161902427, 323804854, 485707281, 647609708, 809512135, 971414562, 1295219416, 1619024270, 1942829124, 2428536405, 3238048540, 3885658248, 4857072810, 6476097080, 9714145620, 19428291240]

約数ペア:

[(1, 19428291240), (2, 9714145620), (3, 6476097080), (4, 4857072810), (5, 3885658248), (6, 3238048540), (8, 2428536405), (10, 1942829124), (12, 1619024270), (15, 1295219416), (20, 971414562), (24, 809512135), (30, 647609708), (40, 485707281), (60, 323804854), (120, 161902427), (787, 24686520), (1574, 12343260), (2361, 8228840), (3148, 6171630), (3935, 4937304), (4722, 4114420), (6296, 3085815), (7870, 2468652), (9444, 2057210), (11805, 1645768), (15740, 1234326), (18888, 1028605), (23610, 822884), (31480, 617163), (47220, 411442), (94440, 205721)]