1900490884988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{9521}}^1\times {\mathrm{16729}}^1$

素因数の和:26430

約数の個数: 48

約数和(自身を含む): 3523783687200

約数和(自身を除く): 1623292802212

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 2983, 5966, 9521, 11932, 16729, 19042, 33458, 38084, 66916, 180899, 317851, 361798, 635702, 723596, 1271404, 1494797, 2626453, 2989594, 5252906, 5979188, 10505812, 28401143, 49902607, 56802286, 99805214, 113604572, 159276809, 199610428, 318553618, 637107236, 3026259371, 6052518742, 12105037484, 25006459013, 50012918026, 100025836052, 475122721247, 950245442494, 1900490884988]

約数ペア:

[(1, 1900490884988), (2, 950245442494), (4, 475122721247), (19, 100025836052), (38, 50012918026), (76, 25006459013), (157, 12105037484), (314, 6052518742), (628, 3026259371), (2983, 637107236), (5966, 318553618), (9521, 199610428), (11932, 159276809), (16729, 113604572), (19042, 99805214), (33458, 56802286), (38084, 49902607), (66916, 28401143), (180899, 10505812), (317851, 5979188), (361798, 5252906), (635702, 2989594), (723596, 2626453), (1271404, 1494797)]