1845491380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{21727}}^1$

素因数の和:21904

約数の個数: 48

約数和(自身を含む): 4029935616

約数和(自身を除く): 2184444236

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1370, 2740, 4247, 8494, 16988, 21235, 21727, 42470, 43454, 84940, 86908, 108635, 217270, 434540, 673537, 1347074, 2694148, 2976599, 3367685, 5953198, 6735370, 11906396, 13470740, 14882995, 29765990, 59531980, 92274569, 184549138, 369098276, 461372845, 922745690, 1845491380]

約数ペア:

[(1, 1845491380), (2, 922745690), (4, 461372845), (5, 369098276), (10, 184549138), (20, 92274569), (31, 59531980), (62, 29765990), (124, 14882995), (137, 13470740), (155, 11906396), (274, 6735370), (310, 5953198), (548, 3367685), (620, 2976599), (685, 2694148), (1370, 1347074), (2740, 673537), (4247, 434540), (8494, 217270), (16988, 108635), (21235, 86908), (21727, 84940), (42470, 43454)]