19924830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{823}}^1$

素因数の和:1105

約数の個数: 48

約数和(自身を含む): 52060320

約数和(自身を除く): 32135490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 823, 1345, 1614, 1646, 2421, 2469, 2690, 4035, 4115, 4842, 4938, 7407, 8070, 8230, 12105, 12345, 14814, 24210, 24690, 37035, 74070, 221387, 442774, 664161, 1106935, 1328322, 1992483, 2213870, 3320805, 3984966, 6641610, 9962415, 19924830]

約数ペア:

[(1, 19924830), (2, 9962415), (3, 6641610), (5, 3984966), (6, 3320805), (9, 2213870), (10, 1992483), (15, 1328322), (18, 1106935), (30, 664161), (45, 442774), (90, 221387), (269, 74070), (538, 37035), (807, 24690), (823, 24210), (1345, 14814), (1614, 12345), (1646, 12105), (2421, 8230), (2469, 8070), (2690, 7407), (4035, 4938), (4115, 4842)]