18607688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 22864312

約数列:

[1, 2, 4, 8, 11, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 209, 248, 341, 359, 418, 589, 682, 718, 836, 1178, 1364, 1436, 1672, 2356, 2728, 2872, 3949, 4712, 6479, 6821, 7898, 11129, 12958, 13642, 15796, 22258, 25916, 27284, 31592, 44516, 51832, 54568, 75031, 89032, 122419, 150062, 211451, 244838, 300124, 422902, 489676, 600248, 845804, 979352, 1691608, 2325961, 4651922, 9303844, 18607688]

約数ペア:

[(1, 18607688), (2, 9303844), (4, 4651922), (8, 2325961), (11, 1691608), (19, 979352), (22, 845804), (31, 600248), (38, 489676), (44, 422902), (62, 300124), (76, 244838), (88, 211451), (124, 150062), (152, 122419), (209, 89032), (248, 75031), (341, 54568), (359, 51832), (418, 44516), (589, 31592), (682, 27284), (718, 25916), (836, 22258), (1178, 15796), (1364, 13642), (1436, 12958), (1672, 11129), (2356, 7898), (2728, 6821), (2872, 6479), (3949, 4712)]