18737978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 15590470

約数列:

[1, 2, 7, 14, 17, 34, 119, 131, 238, 262, 601, 917, 1202, 1834, 2227, 4207, 4454, 8414, 10217, 15589, 20434, 31178, 71519, 78731, 143038, 157462, 551117, 1102234, 1338427, 2676854, 9368989, 18737978]

約数ペア:

[(1, 18737978), (2, 9368989), (7, 2676854), (14, 1338427), (17, 1102234), (34, 551117), (119, 157462), (131, 143038), (238, 78731), (262, 71519), (601, 31178), (917, 20434), (1202, 15589), (1834, 10217), (2227, 8414), (4207, 4454)]