18538320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77243}}^1$

素因数の和:77259

約数の個数: 40

約数和(自身を含む): 57469536

約数和(自身を除く): 38931216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77243, 154486, 231729, 308972, 386215, 463458, 617944, 772430, 926916, 1158645, 1235888, 1544860, 1853832, 2317290, 3089720, 3707664, 4634580, 6179440, 9269160, 18538320]

約数ペア:

[(1, 18538320), (2, 9269160), (3, 6179440), (4, 4634580), (5, 3707664), (6, 3089720), (8, 2317290), (10, 1853832), (12, 1544860), (15, 1235888), (16, 1158645), (20, 926916), (24, 772430), (30, 617944), (40, 463458), (48, 386215), (60, 308972), (80, 231729), (120, 154486), (240, 77243)]