18717972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 54829824

約数和(自身を除く): 36111852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 182, 183, 244, 273, 281, 364, 366, 427, 546, 562, 732, 793, 843, 854, 1092, 1124, 1281, 1586, 1686, 1708, 1967, 2379, 2562, 3172, 3372, 3653, 3934, 4758, 5124, 5551, 5901, 7306, 7868, 9516, 10959, 11102, 11802, 14612, 16653, 17141, 21918, 22204, 23604, 25571, 33306, 34282, 43836, 51142, 51423, 66612, 68564, 76713, 102284, 102846, 119987, 153426, 205692, 222833, 239974, 306852, 359961, 445666, 479948, 668499, 719922, 891332, 1336998, 1439844, 1559831, 2673996, 3119662, 4679493, 6239324, 9358986, 18717972]

約数ペア:

[(1, 18717972), (2, 9358986), (3, 6239324), (4, 4679493), (6, 3119662), (7, 2673996), (12, 1559831), (13, 1439844), (14, 1336998), (21, 891332), (26, 719922), (28, 668499), (39, 479948), (42, 445666), (52, 359961), (61, 306852), (78, 239974), (84, 222833), (91, 205692), (122, 153426), (156, 119987), (182, 102846), (183, 102284), (244, 76713), (273, 68564), (281, 66612), (364, 51423), (366, 51142), (427, 43836), (546, 34282), (562, 33306), (732, 25571), (793, 23604), (843, 22204), (854, 21918), (1092, 17141), (1124, 16653), (1281, 14612), (1586, 11802), (1686, 11102), (1708, 10959), (1967, 9516), (2379, 7868), (2562, 7306), (3172, 5901), (3372, 5551), (3653, 5124), (3934, 4758)]