19488456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 58181760

約数和(自身を除く): 38693304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 47, 52, 72, 78, 94, 104, 117, 141, 156, 188, 234, 282, 312, 376, 423, 443, 468, 564, 611, 846, 886, 936, 1128, 1222, 1329, 1692, 1772, 1833, 2444, 2658, 3384, 3544, 3666, 3987, 4888, 5316, 5499, 5759, 7332, 7974, 10632, 10998, 11518, 14664, 15948, 17277, 20821, 21996, 23036, 31896, 34554, 41642, 43992, 46072, 51831, 62463, 69108, 83284, 103662, 124926, 138216, 166568, 187389, 207324, 249852, 270673, 374778, 414648, 499704, 541346, 749556, 812019, 1082692, 1499112, 1624038, 2165384, 2436057, 3248076, 4872114, 6496152, 9744228, 19488456]

約数ペア:

[(1, 19488456), (2, 9744228), (3, 6496152), (4, 4872114), (6, 3248076), (8, 2436057), (9, 2165384), (12, 1624038), (13, 1499112), (18, 1082692), (24, 812019), (26, 749556), (36, 541346), (39, 499704), (47, 414648), (52, 374778), (72, 270673), (78, 249852), (94, 207324), (104, 187389), (117, 166568), (141, 138216), (156, 124926), (188, 103662), (234, 83284), (282, 69108), (312, 62463), (376, 51831), (423, 46072), (443, 43992), (468, 41642), (564, 34554), (611, 31896), (846, 23036), (886, 21996), (936, 20821), (1128, 17277), (1222, 15948), (1329, 14664), (1692, 11518), (1772, 10998), (1833, 10632), (2444, 7974), (2658, 7332), (3384, 5759), (3544, 5499), (3666, 5316), (3987, 4888)]