19974804

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 48081600

約数和(自身を除く): 28106796

約数列:

[1, 2, 3, 4, 6, 12, 59, 89, 118, 177, 178, 236, 267, 317, 354, 356, 534, 634, 708, 951, 1068, 1268, 1902, 3804, 5251, 10502, 15753, 18703, 21004, 28213, 31506, 37406, 56109, 56426, 63012, 74812, 84639, 112218, 112852, 169278, 224436, 338556, 1664567, 3329134, 4993701, 6658268, 9987402, 19974804]

約数ペア:

[(1, 19974804), (2, 9987402), (3, 6658268), (4, 4993701), (6, 3329134), (12, 1664567), (59, 338556), (89, 224436), (118, 169278), (177, 112852), (178, 112218), (236, 84639), (267, 74812), (317, 63012), (354, 56426), (356, 56109), (534, 37406), (634, 31506), (708, 28213), (951, 21004), (1068, 18703), (1268, 15753), (1902, 10502), (3804, 5251)]