18455970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 30573150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1279, 1443, 2405, 2558, 2886, 3837, 4810, 6395, 7215, 7674, 12790, 14430, 16627, 19185, 33254, 38370, 47323, 49881, 83135, 94646, 99762, 141969, 166270, 236615, 249405, 283938, 473230, 498810, 615199, 709845, 1230398, 1419690, 1845597, 3075995, 3691194, 6151990, 9227985, 18455970]

約数ペア:

[(1, 18455970), (2, 9227985), (3, 6151990), (5, 3691194), (6, 3075995), (10, 1845597), (13, 1419690), (15, 1230398), (26, 709845), (30, 615199), (37, 498810), (39, 473230), (65, 283938), (74, 249405), (78, 236615), (111, 166270), (130, 141969), (185, 99762), (195, 94646), (222, 83135), (370, 49881), (390, 47323), (481, 38370), (555, 33254), (962, 19185), (1110, 16627), (1279, 14430), (1443, 12790), (2405, 7674), (2558, 7215), (2886, 6395), (3837, 4810)]