18958394

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 18273094

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 161, 182, 299, 322, 598, 637, 647, 1127, 1274, 1294, 2093, 2254, 4186, 4529, 8411, 9058, 14651, 14881, 16822, 29302, 29762, 31703, 58877, 63406, 104167, 117754, 193453, 208334, 386906, 412139, 729169, 824278, 1354171, 1458338, 2708342, 9479197, 18958394]

約数ペア:

[(1, 18958394), (2, 9479197), (7, 2708342), (13, 1458338), (14, 1354171), (23, 824278), (26, 729169), (46, 412139), (49, 386906), (91, 208334), (98, 193453), (161, 117754), (182, 104167), (299, 63406), (322, 58877), (598, 31703), (637, 29762), (647, 29302), (1127, 16822), (1274, 14881), (1294, 14651), (2093, 9058), (2254, 8411), (4186, 4529)]