18706116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 51718912

約数和(自身を除く): 33012796

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 121, 132, 143, 156, 242, 286, 363, 429, 484, 572, 726, 858, 991, 1452, 1573, 1716, 1982, 2973, 3146, 3964, 4719, 5946, 6292, 9438, 10901, 11892, 12883, 18876, 21802, 25766, 32703, 38649, 43604, 51532, 65406, 77298, 119911, 130812, 141713, 154596, 239822, 283426, 359733, 425139, 479644, 566852, 719466, 850278, 1438932, 1558843, 1700556, 3117686, 4676529, 6235372, 9353058, 18706116]

約数ペア:

[(1, 18706116), (2, 9353058), (3, 6235372), (4, 4676529), (6, 3117686), (11, 1700556), (12, 1558843), (13, 1438932), (22, 850278), (26, 719466), (33, 566852), (39, 479644), (44, 425139), (52, 359733), (66, 283426), (78, 239822), (121, 154596), (132, 141713), (143, 130812), (156, 119911), (242, 77298), (286, 65406), (363, 51532), (429, 43604), (484, 38649), (572, 32703), (726, 25766), (858, 21802), (991, 18876), (1452, 12883), (1573, 11892), (1716, 10901), (1982, 9438), (2973, 6292), (3146, 5946), (3964, 4719)]