18995652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 53156376

約数和(自身を除く): 34160724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1097, 1332, 1443, 1924, 2194, 2886, 3291, 4329, 4388, 5772, 6582, 8658, 9873, 13164, 14261, 17316, 19746, 28522, 39492, 40589, 42783, 57044, 81178, 85566, 121767, 128349, 162356, 171132, 243534, 256698, 365301, 487068, 513396, 527657, 730602, 1055314, 1461204, 1582971, 2110628, 3165942, 4748913, 6331884, 9497826, 18995652]

約数ペア:

[(1, 18995652), (2, 9497826), (3, 6331884), (4, 4748913), (6, 3165942), (9, 2110628), (12, 1582971), (13, 1461204), (18, 1055314), (26, 730602), (36, 527657), (37, 513396), (39, 487068), (52, 365301), (74, 256698), (78, 243534), (111, 171132), (117, 162356), (148, 128349), (156, 121767), (222, 85566), (234, 81178), (333, 57044), (444, 42783), (468, 40589), (481, 39492), (666, 28522), (962, 19746), (1097, 17316), (1332, 14261), (1443, 13164), (1924, 9873), (2194, 8658), (2886, 6582), (3291, 5772), (4329, 4388)]