18530320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 46247040

約数和(自身を除く): 27716720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 167, 190, 292, 304, 334, 365, 380, 584, 668, 730, 760, 835, 1168, 1336, 1387, 1460, 1520, 1670, 2672, 2774, 2920, 3173, 3340, 5548, 5840, 6346, 6680, 6935, 11096, 12191, 12692, 13360, 13870, 15865, 22192, 24382, 25384, 27740, 31730, 48764, 50768, 55480, 60955, 63460, 97528, 110960, 121910, 126920, 195056, 231629, 243820, 253840, 463258, 487640, 926516, 975280, 1158145, 1853032, 2316290, 3706064, 4632580, 9265160, 18530320]

約数ペア:

[(1, 18530320), (2, 9265160), (4, 4632580), (5, 3706064), (8, 2316290), (10, 1853032), (16, 1158145), (19, 975280), (20, 926516), (38, 487640), (40, 463258), (73, 253840), (76, 243820), (80, 231629), (95, 195056), (146, 126920), (152, 121910), (167, 110960), (190, 97528), (292, 63460), (304, 60955), (334, 55480), (365, 50768), (380, 48764), (584, 31730), (668, 27740), (730, 25384), (760, 24382), (835, 22192), (1168, 15865), (1336, 13870), (1387, 13360), (1460, 12692), (1520, 12191), (1670, 11096), (2672, 6935), (2774, 6680), (2920, 6346), (3173, 5840), (3340, 5548)]