19618374932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1\times {\mathrm{1741}}^1$

素因数の和:3456

約数の個数: 48

約数和(自身を含む): 37284374400

約数和(自身を除く): 17665999468

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1559, 1741, 1807, 3118, 3482, 3614, 6236, 6964, 7228, 20267, 22633, 40534, 45266, 81068, 90532, 216701, 241999, 433402, 483998, 866804, 967996, 2714219, 2817113, 3145987, 5428438, 5634226, 6291974, 10856876, 11268452, 12583948, 35284847, 70569694, 141139388, 377276441, 754552882, 1509105764, 4904593733, 9809187466, 19618374932]

約数ペア:

[(1, 19618374932), (2, 9809187466), (4, 4904593733), (13, 1509105764), (26, 754552882), (52, 377276441), (139, 141139388), (278, 70569694), (556, 35284847), (1559, 12583948), (1741, 11268452), (1807, 10856876), (3118, 6291974), (3482, 5634226), (3614, 5428438), (6236, 3145987), (6964, 2817113), (7228, 2714219), (20267, 967996), (22633, 866804), (40534, 483998), (45266, 433402), (81068, 241999), (90532, 216701)]