19289696

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 40960080

約数和(自身を除く): 21670384

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 68, 118, 136, 236, 272, 472, 544, 601, 944, 1003, 1202, 1888, 2006, 2404, 4012, 4808, 8024, 9616, 10217, 16048, 19232, 20434, 32096, 35459, 40868, 70918, 81736, 141836, 163472, 283672, 326944, 567344, 602803, 1134688, 1205606, 2411212, 4822424, 9644848, 19289696]

約数ペア:

[(1, 19289696), (2, 9644848), (4, 4822424), (8, 2411212), (16, 1205606), (17, 1134688), (32, 602803), (34, 567344), (59, 326944), (68, 283672), (118, 163472), (136, 141836), (236, 81736), (272, 70918), (472, 40868), (544, 35459), (601, 32096), (944, 20434), (1003, 19232), (1202, 16048), (1888, 10217), (2006, 9616), (2404, 8024), (4012, 4808)]