18372770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 19560286

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 97, 130, 155, 194, 235, 310, 403, 470, 485, 611, 806, 970, 1222, 1261, 1457, 2015, 2522, 2914, 3007, 3055, 4030, 4559, 6014, 6110, 6305, 7285, 9118, 12610, 14570, 15035, 18941, 22795, 30070, 37882, 39091, 45590, 59267, 78182, 94705, 118534, 141329, 189410, 195455, 282658, 296335, 390910, 592670, 706645, 1413290, 1837277, 3674554, 9186385, 18372770]

約数ペア:

[(1, 18372770), (2, 9186385), (5, 3674554), (10, 1837277), (13, 1413290), (26, 706645), (31, 592670), (47, 390910), (62, 296335), (65, 282658), (94, 195455), (97, 189410), (130, 141329), (155, 118534), (194, 94705), (235, 78182), (310, 59267), (403, 45590), (470, 39091), (485, 37882), (611, 30070), (806, 22795), (970, 18941), (1222, 15035), (1261, 14570), (1457, 12610), (2015, 9118), (2522, 7285), (2914, 6305), (3007, 6110), (3055, 6014), (4030, 4559)]