18716170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{743}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 36961920

約数和(自身を除く): 18245750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 743, 1145, 1486, 2290, 2519, 3715, 5038, 7430, 8173, 12595, 16346, 25190, 40865, 81730, 170147, 340294, 850735, 1701470, 1871617, 3743234, 9358085, 18716170]

約数ペア:

[(1, 18716170), (2, 9358085), (5, 3743234), (10, 1871617), (11, 1701470), (22, 850735), (55, 340294), (110, 170147), (229, 81730), (458, 40865), (743, 25190), (1145, 16346), (1486, 12595), (2290, 8173), (2519, 7430), (3715, 5038)]