19774872

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 59339280

約数和(自身を除く): 39564408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 571, 666, 888, 936, 962, 1142, 1332, 1443, 1713, 1924, 2284, 2664, 2886, 3426, 3848, 4329, 4568, 5139, 5772, 6852, 7423, 8658, 10278, 11544, 13704, 14846, 17316, 20556, 21127, 22269, 29692, 34632, 41112, 42254, 44538, 59384, 63381, 66807, 84508, 89076, 126762, 133614, 169016, 178152, 190143, 253524, 267228, 274651, 380286, 507048, 534456, 549302, 760572, 823953, 1098604, 1521144, 1647906, 2197208, 2471859, 3295812, 4943718, 6591624, 9887436, 19774872]

約数ペア:

[(1, 19774872), (2, 9887436), (3, 6591624), (4, 4943718), (6, 3295812), (8, 2471859), (9, 2197208), (12, 1647906), (13, 1521144), (18, 1098604), (24, 823953), (26, 760572), (36, 549302), (37, 534456), (39, 507048), (52, 380286), (72, 274651), (74, 267228), (78, 253524), (104, 190143), (111, 178152), (117, 169016), (148, 133614), (156, 126762), (222, 89076), (234, 84508), (296, 66807), (312, 63381), (333, 59384), (444, 44538), (468, 42254), (481, 41112), (571, 34632), (666, 29692), (888, 22269), (936, 21127), (962, 20556), (1142, 17316), (1332, 14846), (1443, 13704), (1713, 11544), (1924, 10278), (2284, 8658), (2664, 7423), (2886, 6852), (3426, 5772), (3848, 5139), (4329, 4568)]