19414408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 22921592

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 79, 104, 136, 139, 158, 221, 278, 316, 442, 556, 632, 884, 1027, 1112, 1343, 1768, 1807, 2054, 2363, 2686, 3614, 4108, 4726, 5372, 7228, 8216, 9452, 10744, 10981, 14456, 17459, 18904, 21962, 30719, 34918, 43924, 61438, 69836, 87848, 122876, 139672, 142753, 186677, 245752, 285506, 373354, 571012, 746708, 1142024, 1493416, 2426801, 4853602, 9707204, 19414408]

約数ペア:

[(1, 19414408), (2, 9707204), (4, 4853602), (8, 2426801), (13, 1493416), (17, 1142024), (26, 746708), (34, 571012), (52, 373354), (68, 285506), (79, 245752), (104, 186677), (136, 142753), (139, 139672), (158, 122876), (221, 87848), (278, 69836), (316, 61438), (442, 43924), (556, 34918), (632, 30719), (884, 21962), (1027, 18904), (1112, 17459), (1343, 14456), (1768, 10981), (1807, 10744), (2054, 9452), (2363, 8216), (2686, 7228), (3614, 5372), (4108, 4726)]