18293990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1205

約数の個数: 48

約数和(自身を含む): 39012624

約数和(自身を除く): 20718634

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1163, 1210, 1430, 1573, 2326, 3146, 5815, 7865, 11630, 12793, 15119, 15730, 25586, 30238, 63965, 75595, 127930, 140723, 151190, 166309, 281446, 332618, 703615, 831545, 1407230, 1663090, 1829399, 3658798, 9146995, 18293990]

約数ペア:

[(1, 18293990), (2, 9146995), (5, 3658798), (10, 1829399), (11, 1663090), (13, 1407230), (22, 831545), (26, 703615), (55, 332618), (65, 281446), (110, 166309), (121, 151190), (130, 140723), (143, 127930), (242, 75595), (286, 63965), (605, 30238), (715, 25586), (1163, 15730), (1210, 15119), (1430, 12793), (1573, 11630), (2326, 7865), (3146, 5815)]