19263680740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{329519}}^1$

素因数の和:329644

約数の個数: 48

約数和(自身を含む): 42073113600

約数和(自身を除く): 22809432860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 740, 790, 1580, 2923, 5846, 11692, 14615, 29230, 58460, 329519, 659038, 1318076, 1647595, 3295190, 6590380, 12192203, 24384406, 26032001, 48768812, 52064002, 60961015, 104128004, 121922030, 130160005, 243844060, 260320010, 520640020, 963184037, 1926368074, 3852736148, 4815920185, 9631840370, 19263680740]

約数ペア:

[(1, 19263680740), (2, 9631840370), (4, 4815920185), (5, 3852736148), (10, 1926368074), (20, 963184037), (37, 520640020), (74, 260320010), (79, 243844060), (148, 130160005), (158, 121922030), (185, 104128004), (316, 60961015), (370, 52064002), (395, 48768812), (740, 26032001), (790, 24384406), (1580, 12192203), (2923, 6590380), (5846, 3295190), (11692, 1647595), (14615, 1318076), (29230, 659038), (58460, 329519)]