18718182

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2194

約数の個数: 64

約数和(自身を含む): 49628160

約数和(自身を除く): 30909978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2153, 2898, 4306, 4347, 6459, 8694, 12918, 15071, 19377, 30142, 38754, 45213, 49519, 58131, 90426, 99038, 116262, 135639, 148557, 271278, 297114, 346633, 406917, 445671, 693266, 813834, 891342, 1039899, 1337013, 2079798, 2674026, 3119697, 6239394, 9359091, 18718182]

約数ペア:

[(1, 18718182), (2, 9359091), (3, 6239394), (6, 3119697), (7, 2674026), (9, 2079798), (14, 1337013), (18, 1039899), (21, 891342), (23, 813834), (27, 693266), (42, 445671), (46, 406917), (54, 346633), (63, 297114), (69, 271278), (126, 148557), (138, 135639), (161, 116262), (189, 99038), (207, 90426), (322, 58131), (378, 49519), (414, 45213), (483, 38754), (621, 30142), (966, 19377), (1242, 15071), (1449, 12918), (2153, 8694), (2898, 6459), (4306, 4347)]