18649972

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 37384704

約数和(自身を除く): 18734732

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 113, 121, 124, 226, 242, 341, 452, 484, 682, 1243, 1331, 1364, 2486, 2662, 3503, 3751, 4972, 5324, 7006, 7502, 13673, 14012, 15004, 27346, 38533, 41261, 54692, 77066, 82522, 150403, 154132, 165044, 300806, 423863, 601612, 847726, 1695452, 4662493, 9324986, 18649972]

約数ペア:

[(1, 18649972), (2, 9324986), (4, 4662493), (11, 1695452), (22, 847726), (31, 601612), (44, 423863), (62, 300806), (113, 165044), (121, 154132), (124, 150403), (226, 82522), (242, 77066), (341, 54692), (452, 41261), (484, 38533), (682, 27346), (1243, 15004), (1331, 14012), (1364, 13673), (2486, 7502), (2662, 7006), (3503, 5324), (3751, 4972)]