19344390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 50452416

約数和(自身を除く): 31108026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 257, 386, 390, 514, 579, 771, 965, 1158, 1285, 1542, 1930, 2509, 2570, 2895, 3341, 3855, 5018, 5790, 6682, 7527, 7710, 10023, 12545, 15054, 16705, 20046, 25090, 33410, 37635, 49601, 50115, 75270, 99202, 100230, 148803, 248005, 297606, 496010, 644813, 744015, 1289626, 1488030, 1934439, 3224065, 3868878, 6448130, 9672195, 19344390]

約数ペア:

[(1, 19344390), (2, 9672195), (3, 6448130), (5, 3868878), (6, 3224065), (10, 1934439), (13, 1488030), (15, 1289626), (26, 744015), (30, 644813), (39, 496010), (65, 297606), (78, 248005), (130, 148803), (193, 100230), (195, 99202), (257, 75270), (386, 50115), (390, 49601), (514, 37635), (579, 33410), (771, 25090), (965, 20046), (1158, 16705), (1285, 15054), (1542, 12545), (1930, 10023), (2509, 7710), (2570, 7527), (2895, 6682), (3341, 5790), (3855, 5018)]