19507572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 56784000

約数和(自身を除く): 37276428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 389, 398, 597, 778, 796, 1167, 1194, 1393, 1556, 1791, 2334, 2388, 2723, 2786, 3501, 3582, 4179, 4668, 5446, 5572, 7002, 7164, 8169, 8358, 10892, 12537, 14004, 16338, 16716, 24507, 25074, 32676, 49014, 50148, 77411, 98028, 154822, 232233, 309644, 464466, 541877, 696699, 928932, 1083754, 1393398, 1625631, 2167508, 2786796, 3251262, 4876893, 6502524, 9753786, 19507572]

約数ペア:

[(1, 19507572), (2, 9753786), (3, 6502524), (4, 4876893), (6, 3251262), (7, 2786796), (9, 2167508), (12, 1625631), (14, 1393398), (18, 1083754), (21, 928932), (28, 696699), (36, 541877), (42, 464466), (63, 309644), (84, 232233), (126, 154822), (199, 98028), (252, 77411), (389, 50148), (398, 49014), (597, 32676), (778, 25074), (796, 24507), (1167, 16716), (1194, 16338), (1393, 14004), (1556, 12537), (1791, 10892), (2334, 8358), (2388, 8169), (2723, 7164), (2786, 7002), (3501, 5572), (3582, 5446), (4179, 4668)]