19846875

素因数分解:

$3^1\times 5^5\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 34685280

約数和(自身を除く): 14838405

約数列:

[1, 3, 5, 15, 25, 29, 73, 75, 87, 125, 145, 219, 365, 375, 435, 625, 725, 1095, 1825, 1875, 2117, 2175, 3125, 3625, 5475, 6351, 9125, 9375, 10585, 10875, 18125, 27375, 31755, 45625, 52925, 54375, 90625, 136875, 158775, 228125, 264625, 271875, 684375, 793875, 1323125, 3969375, 6615625, 19846875]

約数ペア:

[(1, 19846875), (3, 6615625), (5, 3969375), (15, 1323125), (25, 793875), (29, 684375), (73, 271875), (75, 264625), (87, 228125), (125, 158775), (145, 136875), (219, 90625), (365, 54375), (375, 52925), (435, 45625), (625, 31755), (725, 27375), (1095, 18125), (1825, 10875), (1875, 10585), (2117, 9375), (2175, 9125), (3125, 6351), (3625, 5475)]