19911052

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 43666560

約数和(自身を除く): 23755508

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 49, 58, 62, 98, 113, 116, 124, 196, 203, 217, 226, 406, 434, 452, 791, 812, 868, 899, 1421, 1519, 1582, 1798, 2842, 3038, 3164, 3277, 3503, 3596, 5537, 5684, 6076, 6293, 6554, 7006, 11074, 12586, 13108, 14012, 22148, 22939, 24521, 25172, 44051, 45878, 49042, 88102, 91756, 98084, 101587, 160573, 171647, 176204, 203174, 321146, 343294, 406348, 642292, 686588, 711109, 1422218, 2844436, 4977763, 9955526, 19911052]

約数ペア:

[(1, 19911052), (2, 9955526), (4, 4977763), (7, 2844436), (14, 1422218), (28, 711109), (29, 686588), (31, 642292), (49, 406348), (58, 343294), (62, 321146), (98, 203174), (113, 176204), (116, 171647), (124, 160573), (196, 101587), (203, 98084), (217, 91756), (226, 88102), (406, 49042), (434, 45878), (452, 44051), (791, 25172), (812, 24521), (868, 22939), (899, 22148), (1421, 14012), (1519, 13108), (1582, 12586), (1798, 11074), (2842, 7006), (3038, 6554), (3164, 6293), (3277, 6076), (3503, 5684), (3596, 5537)]