19775538

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 45953856

約数和(自身を除く): 26178318

約数列:

[1, 2, 3, 6, 9, 18, 23, 37, 46, 69, 74, 111, 138, 207, 222, 333, 414, 666, 851, 1291, 1702, 2553, 2582, 3873, 5106, 7659, 7746, 11619, 15318, 23238, 29693, 47767, 59386, 89079, 95534, 143301, 178158, 267237, 286602, 429903, 534474, 859806, 1098641, 2197282, 3295923, 6591846, 9887769, 19775538]

約数ペア:

[(1, 19775538), (2, 9887769), (3, 6591846), (6, 3295923), (9, 2197282), (18, 1098641), (23, 859806), (37, 534474), (46, 429903), (69, 286602), (74, 267237), (111, 178158), (138, 143301), (207, 95534), (222, 89079), (333, 59386), (414, 47767), (666, 29693), (851, 23238), (1291, 15318), (1702, 11619), (2553, 7746), (2582, 7659), (3873, 5106)]