19472752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5507}}^1$

素因数の和:5545

約数の個数: 40

約数和(自身を含む): 43028496

約数和(自身を除く): 23555744

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5507, 11014, 22028, 44056, 71591, 88112, 93619, 143182, 187238, 286364, 374476, 572728, 748952, 1145456, 1217047, 1497904, 2434094, 4868188, 9736376, 19472752]

約数ペア:

[(1, 19472752), (2, 9736376), (4, 4868188), (8, 2434094), (13, 1497904), (16, 1217047), (17, 1145456), (26, 748952), (34, 572728), (52, 374476), (68, 286364), (104, 187238), (136, 143182), (208, 93619), (221, 88112), (272, 71591), (442, 44056), (884, 22028), (1768, 11014), (3536, 5507)]