19742394

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27432006

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 181, 294, 318, 343, 362, 371, 543, 686, 742, 1029, 1086, 1113, 1267, 2058, 2226, 2534, 2597, 3801, 5194, 7602, 7791, 8869, 9593, 15582, 17738, 18179, 19186, 26607, 28779, 36358, 53214, 54537, 57558, 62083, 67151, 109074, 124166, 134302, 186249, 201453, 372498, 402906, 470057, 940114, 1410171, 2820342, 3290399, 6580798, 9871197, 19742394]

約数ペア:

[(1, 19742394), (2, 9871197), (3, 6580798), (6, 3290399), (7, 2820342), (14, 1410171), (21, 940114), (42, 470057), (49, 402906), (53, 372498), (98, 201453), (106, 186249), (147, 134302), (159, 124166), (181, 109074), (294, 67151), (318, 62083), (343, 57558), (362, 54537), (371, 53214), (543, 36358), (686, 28779), (742, 26607), (1029, 19186), (1086, 18179), (1113, 17738), (1267, 15582), (2058, 9593), (2226, 8869), (2534, 7791), (2597, 7602), (3801, 5194)]