19013580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1447}}^1$

素因数の和:1535

約数の個数: 72

約数和(自身を含む): 58504992

約数和(自身を除く): 39491412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1447, 1460, 2190, 2628, 2894, 3285, 4341, 4380, 5788, 6570, 7235, 8682, 13023, 13140, 14470, 17364, 21705, 26046, 28940, 43410, 52092, 65115, 86820, 105631, 130230, 211262, 260460, 316893, 422524, 528155, 633786, 950679, 1056310, 1267572, 1584465, 1901358, 2112620, 3168930, 3802716, 4753395, 6337860, 9506790, 19013580]

約数ペア:

[(1, 19013580), (2, 9506790), (3, 6337860), (4, 4753395), (5, 3802716), (6, 3168930), (9, 2112620), (10, 1901358), (12, 1584465), (15, 1267572), (18, 1056310), (20, 950679), (30, 633786), (36, 528155), (45, 422524), (60, 316893), (73, 260460), (90, 211262), (146, 130230), (180, 105631), (219, 86820), (292, 65115), (365, 52092), (438, 43410), (657, 28940), (730, 26046), (876, 21705), (1095, 17364), (1314, 14470), (1447, 13140), (1460, 13023), (2190, 8682), (2628, 7235), (2894, 6570), (3285, 5788), (4341, 4380)]