19851930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31511}}^1$

素因数の和:31531

約数の個数: 48

約数和(自身を含む): 58990464

約数和(自身を除く): 39138534

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31511, 63022, 94533, 157555, 189066, 220577, 283599, 315110, 441154, 472665, 567198, 661731, 945330, 1102885, 1323462, 1417995, 1985193, 2205770, 2835990, 3308655, 3970386, 6617310, 9925965, 19851930]

約数ペア:

[(1, 19851930), (2, 9925965), (3, 6617310), (5, 3970386), (6, 3308655), (7, 2835990), (9, 2205770), (10, 1985193), (14, 1417995), (15, 1323462), (18, 1102885), (21, 945330), (30, 661731), (35, 567198), (42, 472665), (45, 441154), (63, 315110), (70, 283599), (90, 220577), (105, 189066), (126, 157555), (210, 94533), (315, 63022), (630, 31511)]