18889065

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 37094400

約数和(自身を除く): 18205335

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 229, 235, 351, 423, 585, 611, 687, 705, 1145, 1269, 1755, 1833, 2061, 2115, 2977, 3055, 3435, 5499, 6183, 6345, 8931, 9165, 10305, 10763, 14885, 16497, 26793, 27495, 30915, 32289, 44655, 53815, 80379, 82485, 96867, 133965, 139919, 161445, 290601, 401895, 419757, 484335, 699595, 1259271, 1453005, 2098785, 3777813, 6296355, 18889065]

約数ペア:

[(1, 18889065), (3, 6296355), (5, 3777813), (9, 2098785), (13, 1453005), (15, 1259271), (27, 699595), (39, 484335), (45, 419757), (47, 401895), (65, 290601), (117, 161445), (135, 139919), (141, 133965), (195, 96867), (229, 82485), (235, 80379), (351, 53815), (423, 44655), (585, 32289), (611, 30915), (687, 27495), (705, 26793), (1145, 16497), (1269, 14885), (1755, 10763), (1833, 10305), (2061, 9165), (2115, 8931), (2977, 6345), (3055, 6183), (3435, 5499)]