19601764

素因数分解:

$2^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 43370684

約数和(自身を除く): 23768920

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 157, 182, 196, 314, 343, 364, 628, 637, 686, 1099, 1274, 1372, 2041, 2198, 2401, 2548, 4082, 4396, 4459, 4802, 7693, 8164, 8918, 9604, 14287, 15386, 17836, 28574, 30772, 31213, 53851, 57148, 62426, 100009, 107702, 124852, 200018, 215404, 376957, 400036, 700063, 753914, 1400126, 1507828, 2800252, 4900441, 9800882, 19601764]

約数ペア:

[(1, 19601764), (2, 9800882), (4, 4900441), (7, 2800252), (13, 1507828), (14, 1400126), (26, 753914), (28, 700063), (49, 400036), (52, 376957), (91, 215404), (98, 200018), (157, 124852), (182, 107702), (196, 100009), (314, 62426), (343, 57148), (364, 53851), (628, 31213), (637, 30772), (686, 28574), (1099, 17836), (1274, 15386), (1372, 14287), (2041, 9604), (2198, 8918), (2401, 8164), (2548, 7693), (4082, 4802), (4396, 4459)]