19835144

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 44634240

約数和(自身を除く): 24799096

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 163, 164, 212, 287, 326, 328, 371, 424, 574, 652, 742, 1141, 1148, 1304, 1484, 2173, 2282, 2296, 2968, 4346, 4564, 6683, 8639, 8692, 9128, 13366, 15211, 17278, 17384, 26732, 30422, 34556, 46781, 53464, 60473, 60844, 69112, 93562, 120946, 121688, 187124, 241892, 354199, 374248, 483784, 708398, 1416796, 2479393, 2833592, 4958786, 9917572, 19835144]

約数ペア:

[(1, 19835144), (2, 9917572), (4, 4958786), (7, 2833592), (8, 2479393), (14, 1416796), (28, 708398), (41, 483784), (53, 374248), (56, 354199), (82, 241892), (106, 187124), (163, 121688), (164, 120946), (212, 93562), (287, 69112), (326, 60844), (328, 60473), (371, 53464), (424, 46781), (574, 34556), (652, 30422), (742, 26732), (1141, 17384), (1148, 17278), (1304, 15211), (1484, 13366), (2173, 9128), (2282, 8692), (2296, 8639), (2968, 6683), (4346, 4564)]