15219580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 33286176

約数和(自身を除く): 18066596

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 157, 185, 262, 314, 370, 524, 628, 655, 740, 785, 1310, 1570, 2620, 3140, 4847, 5809, 9694, 11618, 19388, 20567, 23236, 24235, 29045, 41134, 48470, 58090, 82268, 96940, 102835, 116180, 205670, 411340, 760979, 1521958, 3043916, 3804895, 7609790, 15219580]

約数ペア:

[(1, 15219580), (2, 7609790), (4, 3804895), (5, 3043916), (10, 1521958), (20, 760979), (37, 411340), (74, 205670), (131, 116180), (148, 102835), (157, 96940), (185, 82268), (262, 58090), (314, 48470), (370, 41134), (524, 29045), (628, 24235), (655, 23236), (740, 20567), (785, 19388), (1310, 11618), (1570, 9694), (2620, 5809), (3140, 4847)]