19912906668

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1\times {\mathrm{37991}}^1$

素因数の和:39438

約数の個数: 48

約数和(自身を含む): 47997573120

約数和(自身を除く): 28084666452

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 1409, 2818, 4227, 5636, 8454, 16908, 37991, 43679, 75982, 87358, 113973, 131037, 151964, 174716, 227946, 262074, 455892, 524148, 1177721, 2355442, 3533163, 4710884, 7066326, 14132652, 53529319, 107058638, 160587957, 214117276, 321175914, 642351828, 1659408889, 3318817778, 4978226667, 6637635556, 9956453334, 19912906668]

約数ペア:

[(1, 19912906668), (2, 9956453334), (3, 6637635556), (4, 4978226667), (6, 3318817778), (12, 1659408889), (31, 642351828), (62, 321175914), (93, 214117276), (124, 160587957), (186, 107058638), (372, 53529319), (1409, 14132652), (2818, 7066326), (4227, 4710884), (5636, 3533163), (8454, 2355442), (16908, 1177721), (37991, 524148), (43679, 455892), (75982, 262074), (87358, 227946), (113973, 174716), (131037, 151964)]