18102915

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 16042365

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 683, 855, 1395, 1767, 2049, 2945, 3415, 5301, 6147, 8835, 10245, 12977, 21173, 26505, 30735, 38931, 63519, 64885, 105865, 116793, 190557, 194655, 317595, 402287, 583965, 952785, 1206861, 2011435, 3620583, 6034305, 18102915]

約数ペア:

[(1, 18102915), (3, 6034305), (5, 3620583), (9, 2011435), (15, 1206861), (19, 952785), (31, 583965), (45, 402287), (57, 317595), (93, 194655), (95, 190557), (155, 116793), (171, 105865), (279, 64885), (285, 63519), (465, 38931), (589, 30735), (683, 26505), (855, 21173), (1395, 12977), (1767, 10245), (2049, 8835), (2945, 6147), (3415, 5301)]