18239220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 55901664

約数和(自身を除く): 37662444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 947, 963, 1070, 1284, 1605, 1894, 1926, 2140, 2841, 3210, 3788, 3852, 4735, 4815, 5682, 6420, 8523, 9470, 9630, 11364, 14205, 17046, 18940, 19260, 28410, 34092, 42615, 56820, 85230, 101329, 170460, 202658, 303987, 405316, 506645, 607974, 911961, 1013290, 1215948, 1519935, 1823922, 2026580, 3039870, 3647844, 4559805, 6079740, 9119610, 18239220]

約数ペア:

[(1, 18239220), (2, 9119610), (3, 6079740), (4, 4559805), (5, 3647844), (6, 3039870), (9, 2026580), (10, 1823922), (12, 1519935), (15, 1215948), (18, 1013290), (20, 911961), (30, 607974), (36, 506645), (45, 405316), (60, 303987), (90, 202658), (107, 170460), (180, 101329), (214, 85230), (321, 56820), (428, 42615), (535, 34092), (642, 28410), (947, 19260), (963, 18940), (1070, 17046), (1284, 14205), (1605, 11364), (1894, 9630), (1926, 9470), (2140, 8523), (2841, 6420), (3210, 5682), (3788, 4815), (3852, 4735)]