19816130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{659}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 17439550

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 659, 970, 1318, 3007, 3295, 6014, 6590, 15035, 20429, 30070, 40858, 63923, 102145, 127846, 204290, 319615, 639230, 1981613, 3963226, 9908065, 19816130]

約数ペア:

[(1, 19816130), (2, 9908065), (5, 3963226), (10, 1981613), (31, 639230), (62, 319615), (97, 204290), (155, 127846), (194, 102145), (310, 63923), (485, 40858), (659, 30070), (970, 20429), (1318, 15035), (3007, 6590), (3295, 6014)]