19691385296

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{155609}}^1$

素因数の和:156347

約数の個数: 40

約数和(自身を含む): 41678582400

約数和(自身を除く): 21987197104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 719, 1438, 2876, 5752, 7909, 11504, 15818, 31636, 63272, 126544, 155609, 311218, 622436, 1244872, 1711699, 2489744, 3423398, 6846796, 13693592, 27387184, 111882871, 223765742, 447531484, 895062968, 1230711581, 1790125936, 2461423162, 4922846324, 9845692648, 19691385296]

約数ペア:

[(1, 19691385296), (2, 9845692648), (4, 4922846324), (8, 2461423162), (11, 1790125936), (16, 1230711581), (22, 895062968), (44, 447531484), (88, 223765742), (176, 111882871), (719, 27387184), (1438, 13693592), (2876, 6846796), (5752, 3423398), (7909, 2489744), (11504, 1711699), (15818, 1244872), (31636, 622436), (63272, 311218), (126544, 155609)]