19530628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1387

約数の個数: 24

約数和(自身を含む): 36942080

約数和(自身を除く): 17411452

約数列:

[1, 2, 4, 13, 26, 52, 379, 758, 991, 1516, 1982, 3964, 4927, 9854, 12883, 19708, 25766, 51532, 375589, 751178, 1502356, 4882657, 9765314, 19530628]

約数ペア:

[(1, 19530628), (2, 9765314), (4, 4882657), (13, 1502356), (26, 751178), (52, 375589), (379, 51532), (758, 25766), (991, 19708), (1516, 12883), (1982, 9854), (3964, 4927)]