19914075

素因数分解:

$3^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1404

約数の個数: 36

約数和(自身を含む): 36228088

約数和(自身を除く): 16314013

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 201, 225, 335, 603, 1005, 1321, 1675, 3015, 3963, 5025, 6605, 11889, 15075, 19815, 33025, 59445, 88507, 99075, 265521, 297225, 442535, 796563, 1327605, 2212675, 3982815, 6638025, 19914075]

約数ペア:

[(1, 19914075), (3, 6638025), (5, 3982815), (9, 2212675), (15, 1327605), (25, 796563), (45, 442535), (67, 297225), (75, 265521), (201, 99075), (225, 88507), (335, 59445), (603, 33025), (1005, 19815), (1321, 15075), (1675, 11889), (3015, 6605), (3963, 5025)]