19829810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 48952512

約数和(自身を除く): 29122702

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 130, 143, 154, 182, 245, 283, 286, 385, 455, 490, 539, 566, 637, 715, 770, 910, 1001, 1078, 1274, 1415, 1430, 1981, 2002, 2695, 2830, 3113, 3185, 3679, 3962, 5005, 5390, 6226, 6370, 7007, 7358, 9905, 10010, 13867, 14014, 15565, 18395, 19810, 21791, 25753, 27734, 31130, 35035, 36790, 40469, 43582, 51506, 69335, 70070, 80938, 108955, 128765, 138670, 152537, 180271, 202345, 217910, 257530, 283283, 305074, 360542, 404690, 566566, 762685, 901355, 1416415, 1525370, 1802710, 1982981, 2832830, 3965962, 9914905, 19829810]

約数ペア:

[(1, 19829810), (2, 9914905), (5, 3965962), (7, 2832830), (10, 1982981), (11, 1802710), (13, 1525370), (14, 1416415), (22, 901355), (26, 762685), (35, 566566), (49, 404690), (55, 360542), (65, 305074), (70, 283283), (77, 257530), (91, 217910), (98, 202345), (110, 180271), (130, 152537), (143, 138670), (154, 128765), (182, 108955), (245, 80938), (283, 70070), (286, 69335), (385, 51506), (455, 43582), (490, 40469), (539, 36790), (566, 35035), (637, 31130), (715, 27734), (770, 25753), (910, 21791), (1001, 19810), (1078, 18395), (1274, 15565), (1415, 14014), (1430, 13867), (1981, 10010), (2002, 9905), (2695, 7358), (2830, 7007), (3113, 6370), (3185, 6226), (3679, 5390), (3962, 5005)]