19991479144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{68141}}^1$

素因数の和:68211

約数の個数: 96

約数和(自身を含む): 47884746240

約数和(自身を除く): 27893267096

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 169, 182, 217, 248, 338, 364, 403, 434, 676, 728, 806, 868, 1183, 1352, 1612, 1736, 2366, 2821, 3224, 4732, 5239, 5642, 9464, 10478, 11284, 20956, 22568, 36673, 41912, 68141, 73346, 136282, 146692, 272564, 293384, 476987, 545128, 885833, 953974, 1771666, 1907948, 2112371, 3543332, 3815896, 4224742, 6200831, 7086664, 8449484, 11515829, 12401662, 14786597, 16898968, 23031658, 24803324, 27460823, 29573194, 46063316, 49606648, 54921646, 59146388, 80610803, 92126632, 109843292, 118292776, 161221606, 192225761, 219686584, 322443212, 356990699, 384451522, 644886424, 713981398, 768903044, 1427962796, 1537806088, 2498934893, 2855925592, 4997869786, 9995739572, 19991479144]

約数ペア:

[(1, 19991479144), (2, 9995739572), (4, 4997869786), (7, 2855925592), (8, 2498934893), (13, 1537806088), (14, 1427962796), (26, 768903044), (28, 713981398), (31, 644886424), (52, 384451522), (56, 356990699), (62, 322443212), (91, 219686584), (104, 192225761), (124, 161221606), (169, 118292776), (182, 109843292), (217, 92126632), (248, 80610803), (338, 59146388), (364, 54921646), (403, 49606648), (434, 46063316), (676, 29573194), (728, 27460823), (806, 24803324), (868, 23031658), (1183, 16898968), (1352, 14786597), (1612, 12401662), (1736, 11515829), (2366, 8449484), (2821, 7086664), (3224, 6200831), (4732, 4224742), (5239, 3815896), (5642, 3543332), (9464, 2112371), (10478, 1907948), (11284, 1771666), (20956, 953974), (22568, 885833), (36673, 545128), (41912, 476987), (68141, 293384), (73346, 272564), (136282, 146692)]