19862260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 26042060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 659, 685, 1318, 1370, 1507, 2636, 2740, 3014, 3295, 6028, 6590, 7249, 7535, 13180, 14498, 15070, 28996, 30140, 36245, 72490, 90283, 144980, 180566, 361132, 451415, 902830, 993113, 1805660, 1986226, 3972452, 4965565, 9931130, 19862260]

約数ペア:

[(1, 19862260), (2, 9931130), (4, 4965565), (5, 3972452), (10, 1986226), (11, 1805660), (20, 993113), (22, 902830), (44, 451415), (55, 361132), (110, 180566), (137, 144980), (220, 90283), (274, 72490), (548, 36245), (659, 30140), (685, 28996), (1318, 15070), (1370, 14498), (1507, 13180), (2636, 7535), (2740, 7249), (3014, 6590), (3295, 6028)]