19740536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 40260240

約数和(自身を除く): 20519704

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 296, 629, 1258, 2516, 3923, 5032, 7846, 15692, 31384, 66691, 133382, 145151, 266764, 290302, 533528, 580604, 1161208, 2467567, 4935134, 9870268, 19740536]

約数ペア:

[(1, 19740536), (2, 9870268), (4, 4935134), (8, 2467567), (17, 1161208), (34, 580604), (37, 533528), (68, 290302), (74, 266764), (136, 145151), (148, 133382), (296, 66691), (629, 31384), (1258, 15692), (2516, 7846), (3923, 5032)]