18081930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 45163008

約数和(自身を除く): 27081078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 107, 129, 131, 214, 215, 258, 262, 321, 393, 430, 535, 642, 645, 655, 786, 1070, 1290, 1310, 1605, 1965, 3210, 3930, 4601, 5633, 9202, 11266, 13803, 14017, 16899, 23005, 27606, 28034, 28165, 33798, 42051, 46010, 56330, 69015, 70085, 84102, 84495, 138030, 140170, 168990, 210255, 420510, 602731, 1205462, 1808193, 3013655, 3616386, 6027310, 9040965, 18081930]

約数ペア:

[(1, 18081930), (2, 9040965), (3, 6027310), (5, 3616386), (6, 3013655), (10, 1808193), (15, 1205462), (30, 602731), (43, 420510), (86, 210255), (107, 168990), (129, 140170), (131, 138030), (214, 84495), (215, 84102), (258, 70085), (262, 69015), (321, 56330), (393, 46010), (430, 42051), (535, 33798), (642, 28165), (645, 28034), (655, 27606), (786, 23005), (1070, 16899), (1290, 14017), (1310, 13803), (1605, 11266), (1965, 9202), (3210, 5633), (3930, 4601)]