18961398

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 44605440

約数和(自身を除く): 25644042

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 241, 279, 282, 423, 482, 558, 723, 837, 846, 1269, 1446, 1457, 1674, 2169, 2538, 2914, 4338, 4371, 6507, 7471, 8742, 11327, 13014, 13113, 14942, 22413, 22654, 26226, 33981, 39339, 44826, 67239, 67962, 78678, 101943, 134478, 201717, 203886, 305829, 351137, 403434, 611658, 702274, 1053411, 2106822, 3160233, 6320466, 9480699, 18961398]

約数ペア:

[(1, 18961398), (2, 9480699), (3, 6320466), (6, 3160233), (9, 2106822), (18, 1053411), (27, 702274), (31, 611658), (47, 403434), (54, 351137), (62, 305829), (93, 203886), (94, 201717), (141, 134478), (186, 101943), (241, 78678), (279, 67962), (282, 67239), (423, 44826), (482, 39339), (558, 33981), (723, 26226), (837, 22654), (846, 22413), (1269, 14942), (1446, 13113), (1457, 13014), (1674, 11327), (2169, 8742), (2538, 7471), (2914, 6507), (4338, 4371)]