18193860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1733

約数の個数: 72

約数和(自身を含む): 56126616

約数和(自身を除く): 37932756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1657, 1830, 2196, 2745, 3314, 3660, 4971, 5490, 6628, 8285, 9942, 10980, 14913, 16570, 19884, 24855, 29826, 33140, 49710, 59652, 74565, 99420, 101077, 149130, 202154, 298260, 303231, 404308, 505385, 606462, 909693, 1010770, 1212924, 1516155, 1819386, 2021540, 3032310, 3638772, 4548465, 6064620, 9096930, 18193860]

約数ペア:

[(1, 18193860), (2, 9096930), (3, 6064620), (4, 4548465), (5, 3638772), (6, 3032310), (9, 2021540), (10, 1819386), (12, 1516155), (15, 1212924), (18, 1010770), (20, 909693), (30, 606462), (36, 505385), (45, 404308), (60, 303231), (61, 298260), (90, 202154), (122, 149130), (180, 101077), (183, 99420), (244, 74565), (305, 59652), (366, 49710), (549, 33140), (610, 29826), (732, 24855), (915, 19884), (1098, 16570), (1220, 14913), (1657, 10980), (1830, 9942), (2196, 8285), (2745, 6628), (3314, 5490), (3660, 4971)]