18545670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 57513456

約数和(自身を除く): 38967786

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 121, 130, 131, 143, 165, 195, 198, 234, 242, 262, 286, 330, 363, 390, 393, 429, 495, 585, 605, 655, 715, 726, 786, 858, 990, 1089, 1170, 1179, 1210, 1287, 1310, 1430, 1441, 1573, 1703, 1815, 1965, 2145, 2178, 2358, 2574, 2882, 3146, 3406, 3630, 3930, 4290, 4323, 4719, 5109, 5445, 5895, 6435, 7205, 7865, 8515, 8646, 9438, 10218, 10890, 11790, 12870, 12969, 14157, 14410, 15327, 15730, 15851, 17030, 18733, 21615, 23595, 25545, 25938, 28314, 30654, 31702, 37466, 43230, 47190, 47553, 51090, 56199, 64845, 70785, 76635, 79255, 93665, 95106, 112398, 129690, 141570, 142659, 153270, 158510, 168597, 187330, 206063, 237765, 280995, 285318, 337194, 412126, 475530, 561990, 618189, 713295, 842985, 1030315, 1236378, 1426590, 1685970, 1854567, 2060630, 3090945, 3709134, 6181890, 9272835, 18545670]

約数ペア:

[(1, 18545670), (2, 9272835), (3, 6181890), (5, 3709134), (6, 3090945), (9, 2060630), (10, 1854567), (11, 1685970), (13, 1426590), (15, 1236378), (18, 1030315), (22, 842985), (26, 713295), (30, 618189), (33, 561990), (39, 475530), (45, 412126), (55, 337194), (65, 285318), (66, 280995), (78, 237765), (90, 206063), (99, 187330), (110, 168597), (117, 158510), (121, 153270), (130, 142659), (131, 141570), (143, 129690), (165, 112398), (195, 95106), (198, 93665), (234, 79255), (242, 76635), (262, 70785), (286, 64845), (330, 56199), (363, 51090), (390, 47553), (393, 47190), (429, 43230), (495, 37466), (585, 31702), (605, 30654), (655, 28314), (715, 25938), (726, 25545), (786, 23595), (858, 21615), (990, 18733), (1089, 17030), (1170, 15851), (1179, 15730), (1210, 15327), (1287, 14410), (1310, 14157), (1430, 12969), (1441, 12870), (1573, 11790), (1703, 10890), (1815, 10218), (1965, 9438), (2145, 8646), (2178, 8515), (2358, 7865), (2574, 7205), (2882, 6435), (3146, 5895), (3406, 5445), (3630, 5109), (3930, 4719), (4290, 4323)]