18212810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 43338240

約数和(自身を除く): 25125430

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 49, 55, 62, 70, 77, 98, 109, 110, 154, 155, 217, 218, 245, 310, 341, 385, 434, 490, 539, 545, 682, 763, 770, 1078, 1085, 1090, 1199, 1519, 1526, 1705, 2170, 2387, 2398, 2695, 3038, 3379, 3410, 3815, 4774, 5341, 5390, 5995, 6758, 7595, 7630, 8393, 10682, 11935, 11990, 15190, 16709, 16786, 16895, 23653, 23870, 26705, 33418, 33790, 37169, 41965, 47306, 53410, 58751, 74338, 83545, 83930, 117502, 118265, 165571, 167090, 185845, 236530, 260183, 293755, 331142, 371690, 520366, 587510, 827855, 1300915, 1655710, 1821281, 2601830, 3642562, 9106405, 18212810]

約数ペア:

[(1, 18212810), (2, 9106405), (5, 3642562), (7, 2601830), (10, 1821281), (11, 1655710), (14, 1300915), (22, 827855), (31, 587510), (35, 520366), (49, 371690), (55, 331142), (62, 293755), (70, 260183), (77, 236530), (98, 185845), (109, 167090), (110, 165571), (154, 118265), (155, 117502), (217, 83930), (218, 83545), (245, 74338), (310, 58751), (341, 53410), (385, 47306), (434, 41965), (490, 37169), (539, 33790), (545, 33418), (682, 26705), (763, 23870), (770, 23653), (1078, 16895), (1085, 16786), (1090, 16709), (1199, 15190), (1519, 11990), (1526, 11935), (1705, 10682), (2170, 8393), (2387, 7630), (2398, 7595), (2695, 6758), (3038, 5995), (3379, 5390), (3410, 5341), (3815, 4774)]