19450470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 51274944

約数和(自身を除く): 31824474

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 941, 1378, 1590, 1882, 2067, 2823, 3445, 4134, 4705, 5646, 6890, 9410, 10335, 12233, 14115, 20670, 24466, 28230, 36699, 49873, 61165, 73398, 99746, 122330, 149619, 183495, 249365, 299238, 366990, 498730, 648349, 748095, 1296698, 1496190, 1945047, 3241745, 3890094, 6483490, 9725235, 19450470]

約数ペア:

[(1, 19450470), (2, 9725235), (3, 6483490), (5, 3890094), (6, 3241745), (10, 1945047), (13, 1496190), (15, 1296698), (26, 748095), (30, 648349), (39, 498730), (53, 366990), (65, 299238), (78, 249365), (106, 183495), (130, 149619), (159, 122330), (195, 99746), (265, 73398), (318, 61165), (390, 49873), (530, 36699), (689, 28230), (795, 24466), (941, 20670), (1378, 14115), (1590, 12233), (1882, 10335), (2067, 9410), (2823, 6890), (3445, 5646), (4134, 4705)]