19785636

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 54751424

約数和(自身を除く): 34965788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 631, 804, 871, 1206, 1262, 1742, 1893, 2412, 2524, 2613, 3484, 3786, 5226, 5679, 7572, 7839, 8203, 10452, 11358, 15678, 16406, 22716, 24609, 31356, 32812, 42277, 49218, 73827, 84554, 98436, 126831, 147654, 169108, 253662, 295308, 380493, 507324, 549601, 760986, 1099202, 1521972, 1648803, 2198404, 3297606, 4946409, 6595212, 9892818, 19785636]

約数ペア:

[(1, 19785636), (2, 9892818), (3, 6595212), (4, 4946409), (6, 3297606), (9, 2198404), (12, 1648803), (13, 1521972), (18, 1099202), (26, 760986), (36, 549601), (39, 507324), (52, 380493), (67, 295308), (78, 253662), (117, 169108), (134, 147654), (156, 126831), (201, 98436), (234, 84554), (268, 73827), (402, 49218), (468, 42277), (603, 32812), (631, 31356), (804, 24609), (871, 22716), (1206, 16406), (1262, 15678), (1742, 11358), (1893, 10452), (2412, 8203), (2524, 7839), (2613, 7572), (3484, 5679), (3786, 5226)]