19990908

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 61214720

約数和(自身を除く): 41223812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 54, 62, 63, 84, 93, 108, 124, 126, 186, 189, 217, 252, 279, 372, 378, 434, 558, 651, 756, 837, 853, 868, 1116, 1302, 1674, 1706, 1953, 2559, 2604, 3348, 3412, 3906, 5118, 5859, 5971, 7677, 7812, 10236, 11718, 11942, 15354, 17913, 23031, 23436, 23884, 26443, 30708, 35826, 46062, 52886, 53739, 71652, 79329, 92124, 105772, 107478, 158658, 161217, 185101, 214956, 237987, 317316, 322434, 370202, 475974, 555303, 644868, 713961, 740404, 951948, 1110606, 1427922, 1665909, 2221212, 2855844, 3331818, 4997727, 6663636, 9995454, 19990908]

約数ペア:

[(1, 19990908), (2, 9995454), (3, 6663636), (4, 4997727), (6, 3331818), (7, 2855844), (9, 2221212), (12, 1665909), (14, 1427922), (18, 1110606), (21, 951948), (27, 740404), (28, 713961), (31, 644868), (36, 555303), (42, 475974), (54, 370202), (62, 322434), (63, 317316), (84, 237987), (93, 214956), (108, 185101), (124, 161217), (126, 158658), (186, 107478), (189, 105772), (217, 92124), (252, 79329), (279, 71652), (372, 53739), (378, 52886), (434, 46062), (558, 35826), (651, 30708), (756, 26443), (837, 23884), (853, 23436), (868, 23031), (1116, 17913), (1302, 15354), (1674, 11942), (1706, 11718), (1953, 10236), (2559, 7812), (2604, 7677), (3348, 5971), (3412, 5859), (3906, 5118)]