19005796

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 36283716

約数和(自身を除く): 17277920

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 289, 401, 578, 697, 802, 1156, 1394, 1604, 2788, 6817, 11849, 13634, 16441, 23698, 27268, 32882, 47396, 65764, 115889, 231778, 279497, 463556, 558994, 1117988, 4751449, 9502898, 19005796]

約数ペア:

[(1, 19005796), (2, 9502898), (4, 4751449), (17, 1117988), (34, 558994), (41, 463556), (68, 279497), (82, 231778), (164, 115889), (289, 65764), (401, 47396), (578, 32882), (697, 27268), (802, 23698), (1156, 16441), (1394, 13634), (1604, 11849), (2788, 6817)]