19461780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8345

約数の個数: 72

約数和(自身を含む): 63582792

約数和(自身を除く): 44121012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8317, 16634, 24951, 33268, 41585, 49902, 74853, 83170, 99804, 108121, 124755, 149706, 166340, 216242, 249510, 299412, 324363, 374265, 432484, 499020, 540605, 648726, 748530, 973089, 1081210, 1297452, 1497060, 1621815, 1946178, 2162420, 3243630, 3892356, 4865445, 6487260, 9730890, 19461780]

約数ペア:

[(1, 19461780), (2, 9730890), (3, 6487260), (4, 4865445), (5, 3892356), (6, 3243630), (9, 2162420), (10, 1946178), (12, 1621815), (13, 1497060), (15, 1297452), (18, 1081210), (20, 973089), (26, 748530), (30, 648726), (36, 540605), (39, 499020), (45, 432484), (52, 374265), (60, 324363), (65, 299412), (78, 249510), (90, 216242), (117, 166340), (130, 149706), (156, 124755), (180, 108121), (195, 99804), (234, 83170), (260, 74853), (390, 49902), (468, 41585), (585, 33268), (780, 24951), (1170, 16634), (2340, 8317)]