18718596

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 55770624

約数和(自身を除く): 37052028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 37, 39, 46, 47, 52, 69, 74, 78, 92, 94, 111, 117, 138, 141, 148, 156, 188, 207, 222, 234, 276, 282, 299, 333, 414, 423, 444, 468, 481, 564, 598, 611, 666, 828, 846, 851, 897, 962, 1081, 1196, 1222, 1332, 1443, 1692, 1702, 1739, 1794, 1833, 1924, 2162, 2444, 2553, 2691, 2886, 3243, 3404, 3478, 3588, 3666, 4324, 4329, 5106, 5217, 5382, 5499, 5772, 6486, 6956, 7332, 7659, 8658, 9729, 10212, 10434, 10764, 10998, 11063, 12972, 14053, 15318, 15651, 17316, 19458, 20868, 21996, 22126, 22607, 28106, 30636, 31302, 33189, 38916, 39997, 42159, 44252, 45214, 56212, 62604, 66378, 67821, 79994, 84318, 90428, 99567, 119991, 126477, 132756, 135642, 159988, 168636, 199134, 203463, 239982, 252954, 271284, 359973, 398268, 406926, 479964, 505908, 519961, 719946, 813852, 1039922, 1439892, 1559883, 2079844, 3119766, 4679649, 6239532, 9359298, 18718596]

約数ペア:

[(1, 18718596), (2, 9359298), (3, 6239532), (4, 4679649), (6, 3119766), (9, 2079844), (12, 1559883), (13, 1439892), (18, 1039922), (23, 813852), (26, 719946), (36, 519961), (37, 505908), (39, 479964), (46, 406926), (47, 398268), (52, 359973), (69, 271284), (74, 252954), (78, 239982), (92, 203463), (94, 199134), (111, 168636), (117, 159988), (138, 135642), (141, 132756), (148, 126477), (156, 119991), (188, 99567), (207, 90428), (222, 84318), (234, 79994), (276, 67821), (282, 66378), (299, 62604), (333, 56212), (414, 45214), (423, 44252), (444, 42159), (468, 39997), (481, 38916), (564, 33189), (598, 31302), (611, 30636), (666, 28106), (828, 22607), (846, 22126), (851, 21996), (897, 20868), (962, 19458), (1081, 17316), (1196, 15651), (1222, 15318), (1332, 14053), (1443, 12972), (1692, 11063), (1702, 10998), (1739, 10764), (1794, 10434), (1833, 10212), (1924, 9729), (2162, 8658), (2444, 7659), (2553, 7332), (2691, 6956), (2886, 6486), (3243, 5772), (3404, 5499), (3478, 5382), (3588, 5217), (3666, 5106), (4324, 4329)]