17898228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 48222720

約数和(自身を除く): 30324492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 191, 228, 274, 342, 382, 411, 548, 573, 684, 764, 822, 1146, 1233, 1644, 1719, 2292, 2466, 2603, 3438, 3629, 4932, 5206, 6876, 7258, 7809, 10412, 10887, 14516, 15618, 21774, 23427, 26167, 31236, 32661, 43548, 46854, 52334, 65322, 78501, 93708, 104668, 130644, 157002, 235503, 314004, 471006, 497173, 942012, 994346, 1491519, 1988692, 2983038, 4474557, 5966076, 8949114, 17898228]

約数ペア:

[(1, 17898228), (2, 8949114), (3, 5966076), (4, 4474557), (6, 2983038), (9, 1988692), (12, 1491519), (18, 994346), (19, 942012), (36, 497173), (38, 471006), (57, 314004), (76, 235503), (114, 157002), (137, 130644), (171, 104668), (191, 93708), (228, 78501), (274, 65322), (342, 52334), (382, 46854), (411, 43548), (548, 32661), (573, 31236), (684, 26167), (764, 23427), (822, 21774), (1146, 15618), (1233, 14516), (1644, 10887), (1719, 10412), (2292, 7809), (2466, 7258), (2603, 6876), (3438, 5206), (3629, 4932)]