19431340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{853}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 43902432

約数和(自身を除く): 24471092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 853, 1139, 1340, 1706, 2278, 3412, 4265, 4556, 5695, 8530, 11390, 14501, 17060, 22780, 29002, 57151, 58004, 72505, 114302, 145010, 228604, 285755, 290020, 571510, 971567, 1143020, 1943134, 3886268, 4857835, 9715670, 19431340]

約数ペア:

[(1, 19431340), (2, 9715670), (4, 4857835), (5, 3886268), (10, 1943134), (17, 1143020), (20, 971567), (34, 571510), (67, 290020), (68, 285755), (85, 228604), (134, 145010), (170, 114302), (268, 72505), (335, 58004), (340, 57151), (670, 29002), (853, 22780), (1139, 17060), (1340, 14501), (1706, 11390), (2278, 8530), (3412, 5695), (4265, 4556)]