19916475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9157}}^1$

素因数の和:9199

約数の個数: 24

約数和(自身を含む): 34067760

約数和(自身を除く): 14151285

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9157, 27471, 45785, 137355, 228925, 265553, 686775, 796659, 1327765, 3983295, 6638825, 19916475]

約数ペア:

[(1, 19916475), (3, 6638825), (5, 3983295), (15, 1327765), (25, 796659), (29, 686775), (75, 265553), (87, 228925), (145, 137355), (435, 45785), (725, 27471), (2175, 9157)]