18741090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 47506176

約数和(自身を除く): 28765086

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 157, 173, 230, 314, 345, 346, 471, 519, 690, 785, 865, 942, 1038, 1570, 1730, 2355, 2595, 3611, 3979, 4710, 5190, 7222, 7958, 10833, 11937, 18055, 19895, 21666, 23874, 27161, 36110, 39790, 54165, 54322, 59685, 81483, 108330, 119370, 135805, 162966, 271610, 407415, 624703, 814830, 1249406, 1874109, 3123515, 3748218, 6247030, 9370545, 18741090]

約数ペア:

[(1, 18741090), (2, 9370545), (3, 6247030), (5, 3748218), (6, 3123515), (10, 1874109), (15, 1249406), (23, 814830), (30, 624703), (46, 407415), (69, 271610), (115, 162966), (138, 135805), (157, 119370), (173, 108330), (230, 81483), (314, 59685), (345, 54322), (346, 54165), (471, 39790), (519, 36110), (690, 27161), (785, 23874), (865, 21666), (942, 19895), (1038, 18055), (1570, 11937), (1730, 10833), (2355, 7958), (2595, 7222), (3611, 5190), (3979, 4710)]