18927990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11069}}^1$

素因数の和:11101

約数の個数: 48

約数和(自身を含む): 51807600

約数和(自身を除く): 32879610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 11069, 22138, 33207, 55345, 66414, 99621, 110690, 166035, 199242, 210311, 332070, 420622, 498105, 630933, 996210, 1051555, 1261866, 1892799, 2103110, 3154665, 3785598, 6309330, 9463995, 18927990]

約数ペア:

[(1, 18927990), (2, 9463995), (3, 6309330), (5, 3785598), (6, 3154665), (9, 2103110), (10, 1892799), (15, 1261866), (18, 1051555), (19, 996210), (30, 630933), (38, 498105), (45, 420622), (57, 332070), (90, 210311), (95, 199242), (114, 166035), (171, 110690), (190, 99621), (285, 66414), (342, 55345), (570, 33207), (855, 22138), (1710, 11069)]