19017570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 56077056

約数和(自身を除く): 37059486

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 31, 33, 39, 55, 62, 65, 66, 78, 93, 110, 121, 130, 143, 155, 165, 169, 186, 195, 242, 286, 310, 330, 338, 341, 363, 390, 403, 429, 465, 507, 605, 682, 715, 726, 806, 845, 858, 930, 1014, 1023, 1209, 1210, 1430, 1573, 1690, 1705, 1815, 1859, 2015, 2046, 2145, 2418, 2535, 3146, 3410, 3630, 3718, 3751, 4030, 4290, 4433, 4719, 5070, 5115, 5239, 5577, 6045, 7502, 7865, 8866, 9295, 9438, 10230, 10478, 11154, 11253, 12090, 13299, 15717, 15730, 18590, 18755, 20449, 22165, 22506, 23595, 26195, 26598, 27885, 31434, 37510, 40898, 44330, 47190, 48763, 52390, 55770, 56265, 57629, 61347, 66495, 78585, 97526, 102245, 112530, 115258, 122694, 132990, 146289, 157170, 172887, 204490, 243815, 288145, 292578, 306735, 345774, 487630, 576290, 613470, 633919, 731445, 864435, 1267838, 1462890, 1728870, 1901757, 3169595, 3803514, 6339190, 9508785, 19017570]

約数ペア:

[(1, 19017570), (2, 9508785), (3, 6339190), (5, 3803514), (6, 3169595), (10, 1901757), (11, 1728870), (13, 1462890), (15, 1267838), (22, 864435), (26, 731445), (30, 633919), (31, 613470), (33, 576290), (39, 487630), (55, 345774), (62, 306735), (65, 292578), (66, 288145), (78, 243815), (93, 204490), (110, 172887), (121, 157170), (130, 146289), (143, 132990), (155, 122694), (165, 115258), (169, 112530), (186, 102245), (195, 97526), (242, 78585), (286, 66495), (310, 61347), (330, 57629), (338, 56265), (341, 55770), (363, 52390), (390, 48763), (403, 47190), (429, 44330), (465, 40898), (507, 37510), (605, 31434), (682, 27885), (715, 26598), (726, 26195), (806, 23595), (845, 22506), (858, 22165), (930, 20449), (1014, 18755), (1023, 18590), (1209, 15730), (1210, 15717), (1430, 13299), (1573, 12090), (1690, 11253), (1705, 11154), (1815, 10478), (1859, 10230), (2015, 9438), (2046, 9295), (2145, 8866), (2418, 7865), (2535, 7502), (3146, 6045), (3410, 5577), (3630, 5239), (3718, 5115), (3751, 5070), (4030, 4719), (4290, 4433)]