19891746

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 52818480

約数和(自身を除く): 32926734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1187, 1197, 1862, 2374, 2394, 2793, 3561, 5586, 7122, 8309, 8379, 10683, 16618, 16758, 21366, 22553, 24927, 45106, 49854, 58163, 67659, 74781, 116326, 135318, 149562, 157871, 174489, 202977, 315742, 348978, 405954, 473613, 523467, 947226, 1046934, 1105097, 1420839, 2210194, 2841678, 3315291, 6630582, 9945873, 19891746]

約数ペア:

[(1, 19891746), (2, 9945873), (3, 6630582), (6, 3315291), (7, 2841678), (9, 2210194), (14, 1420839), (18, 1105097), (19, 1046934), (21, 947226), (38, 523467), (42, 473613), (49, 405954), (57, 348978), (63, 315742), (98, 202977), (114, 174489), (126, 157871), (133, 149562), (147, 135318), (171, 116326), (266, 74781), (294, 67659), (342, 58163), (399, 49854), (441, 45106), (798, 24927), (882, 22553), (931, 21366), (1187, 16758), (1197, 16618), (1862, 10683), (2374, 8379), (2394, 8309), (2793, 7122), (3561, 5586)]