19686560

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3001}}^1$

素因数の和:3057

約数の個数: 48

約数和(自身を含む): 47659752

約数和(自身を除く): 27973192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3001, 3280, 6002, 6560, 12004, 15005, 24008, 30010, 48016, 60020, 96032, 120040, 123041, 240080, 246082, 480160, 492164, 615205, 984328, 1230410, 1968656, 2460820, 3937312, 4921640, 9843280, 19686560]

約数ペア:

[(1, 19686560), (2, 9843280), (4, 4921640), (5, 3937312), (8, 2460820), (10, 1968656), (16, 1230410), (20, 984328), (32, 615205), (40, 492164), (41, 480160), (80, 246082), (82, 240080), (160, 123041), (164, 120040), (205, 96032), (328, 60020), (410, 48016), (656, 30010), (820, 24008), (1312, 15005), (1640, 12004), (3001, 6560), (3280, 6002)]