19230416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 38878464

約数和(自身を除く): 19648048

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 283, 496, 548, 566, 1096, 1132, 2192, 2264, 4247, 4528, 8494, 8773, 16988, 17546, 33976, 35092, 38771, 67952, 70184, 77542, 140368, 155084, 310168, 620336, 1201901, 2403802, 4807604, 9615208, 19230416]

約数ペア:

[(1, 19230416), (2, 9615208), (4, 4807604), (8, 2403802), (16, 1201901), (31, 620336), (62, 310168), (124, 155084), (137, 140368), (248, 77542), (274, 70184), (283, 67952), (496, 38771), (548, 35092), (566, 33976), (1096, 17546), (1132, 16988), (2192, 8773), (2264, 8494), (4247, 4528)]