19990530

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1511}}^1$

素因数の和:1541

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 42061950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1511, 1890, 2205, 2646, 3022, 4410, 4533, 6615, 7555, 9066, 10577, 13230, 13599, 15110, 21154, 22665, 27198, 31731, 40797, 45330, 52885, 63462, 67995, 74039, 81594, 95193, 105770, 135990, 148078, 158655, 190386, 203985, 222117, 285579, 317310, 370195, 407970, 444234, 475965, 571158, 666351, 740390, 951930, 1110585, 1332702, 1427895, 1999053, 2221170, 2855790, 3331755, 3998106, 6663510, 9995265, 19990530]

約数ペア:

[(1, 19990530), (2, 9995265), (3, 6663510), (5, 3998106), (6, 3331755), (7, 2855790), (9, 2221170), (10, 1999053), (14, 1427895), (15, 1332702), (18, 1110585), (21, 951930), (27, 740390), (30, 666351), (35, 571158), (42, 475965), (45, 444234), (49, 407970), (54, 370195), (63, 317310), (70, 285579), (90, 222117), (98, 203985), (105, 190386), (126, 158655), (135, 148078), (147, 135990), (189, 105770), (210, 95193), (245, 81594), (270, 74039), (294, 67995), (315, 63462), (378, 52885), (441, 45330), (490, 40797), (630, 31731), (735, 27198), (882, 22665), (945, 21154), (1323, 15110), (1470, 13599), (1511, 13230), (1890, 10577), (2205, 9066), (2646, 7555), (3022, 6615), (4410, 4533)]