19291060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 22843340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 199, 262, 370, 398, 524, 655, 740, 796, 995, 1310, 1990, 2620, 3980, 4847, 7363, 9694, 14726, 19388, 24235, 26069, 29452, 36815, 48470, 52138, 73630, 96940, 104276, 130345, 147260, 260690, 521380, 964553, 1929106, 3858212, 4822765, 9645530, 19291060]

約数ペア:

[(1, 19291060), (2, 9645530), (4, 4822765), (5, 3858212), (10, 1929106), (20, 964553), (37, 521380), (74, 260690), (131, 147260), (148, 130345), (185, 104276), (199, 96940), (262, 73630), (370, 52138), (398, 48470), (524, 36815), (655, 29452), (740, 26069), (796, 24235), (995, 19388), (1310, 14726), (1990, 9694), (2620, 7363), (3980, 4847)]