19447740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8311}}^1$

素因数の和:8339

約数の個数: 72

約数和(自身を含む): 63536928

約数和(自身を除く): 44089188

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, 8311, 16622, 24933, 33244, 41555, 49866, 74799, 83110, 99732, 108043, 124665, 149598, 166220, 216086, 249330, 299196, 324129, 373995, 432172, 498660, 540215, 648258, 747990, 972387, 1080430, 1296516, 1495980, 1620645, 1944774, 2160860, 3241290, 3889548, 4861935, 6482580, 9723870, 19447740]

約数ペア:

[(1, 19447740), (2, 9723870), (3, 6482580), (4, 4861935), (5, 3889548), (6, 3241290), (9, 2160860), (10, 1944774), (12, 1620645), (13, 1495980), (15, 1296516), (18, 1080430), (20, 972387), (26, 747990), (30, 648258), (36, 540215), (39, 498660), (45, 432172), (52, 373995), (60, 324129), (65, 299196), (78, 249330), (90, 216086), (117, 166220), (130, 149598), (156, 124665), (180, 108043), (195, 99732), (234, 83110), (260, 74799), (390, 49866), (468, 41555), (585, 33244), (780, 24933), (1170, 16622), (2340, 8311)]