18855840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 60008256

約数和(自身を除く): 41152416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 163, 240, 241, 326, 480, 482, 489, 652, 723, 815, 964, 978, 1205, 1304, 1446, 1630, 1928, 1956, 2410, 2445, 2608, 2892, 3260, 3615, 3856, 3912, 4820, 4890, 5216, 5784, 6520, 7230, 7712, 7824, 9640, 9780, 11568, 13040, 14460, 15648, 19280, 19560, 23136, 26080, 28920, 38560, 39120, 39283, 57840, 78240, 78566, 115680, 117849, 157132, 196415, 235698, 314264, 392830, 471396, 589245, 628528, 785660, 942792, 1178490, 1257056, 1571320, 1885584, 2356980, 3142640, 3771168, 4713960, 6285280, 9427920, 18855840]

約数ペア:

[(1, 18855840), (2, 9427920), (3, 6285280), (4, 4713960), (5, 3771168), (6, 3142640), (8, 2356980), (10, 1885584), (12, 1571320), (15, 1257056), (16, 1178490), (20, 942792), (24, 785660), (30, 628528), (32, 589245), (40, 471396), (48, 392830), (60, 314264), (80, 235698), (96, 196415), (120, 157132), (160, 117849), (163, 115680), (240, 78566), (241, 78240), (326, 57840), (480, 39283), (482, 39120), (489, 38560), (652, 28920), (723, 26080), (815, 23136), (964, 19560), (978, 19280), (1205, 15648), (1304, 14460), (1446, 13040), (1630, 11568), (1928, 9780), (1956, 9640), (2410, 7824), (2445, 7712), (2608, 7230), (2892, 6520), (3260, 5784), (3615, 5216), (3856, 4890), (3912, 4820)]