18010850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 39828180

約数和(自身を除く): 21817330

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 229, 242, 275, 286, 325, 458, 550, 605, 650, 715, 1145, 1210, 1430, 1573, 2290, 2519, 2977, 3025, 3146, 3575, 5038, 5725, 5954, 6050, 7150, 7865, 11450, 12595, 14885, 15730, 25190, 27709, 29770, 32747, 39325, 55418, 62975, 65494, 74425, 78650, 125950, 138545, 148850, 163735, 277090, 327470, 360217, 692725, 720434, 818675, 1385450, 1637350, 1801085, 3602170, 9005425, 18010850]

約数ペア:

[(1, 18010850), (2, 9005425), (5, 3602170), (10, 1801085), (11, 1637350), (13, 1385450), (22, 818675), (25, 720434), (26, 692725), (50, 360217), (55, 327470), (65, 277090), (110, 163735), (121, 148850), (130, 138545), (143, 125950), (229, 78650), (242, 74425), (275, 65494), (286, 62975), (325, 55418), (458, 39325), (550, 32747), (605, 29770), (650, 27709), (715, 25190), (1145, 15730), (1210, 14885), (1430, 12595), (1573, 11450), (2290, 7865), (2519, 7150), (2977, 6050), (3025, 5954), (3146, 5725), (3575, 5038)]