19669860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 69503616

約数和(自身を除く): 49833756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 233, 252, 268, 315, 335, 402, 420, 466, 469, 603, 630, 670, 699, 804, 932, 938, 1005, 1165, 1206, 1260, 1340, 1398, 1407, 1631, 1876, 2010, 2097, 2330, 2345, 2412, 2796, 2814, 3015, 3262, 3495, 4020, 4194, 4221, 4660, 4690, 4893, 5628, 6030, 6524, 6990, 7035, 8155, 8388, 8442, 9380, 9786, 10485, 12060, 13980, 14070, 14679, 15611, 16310, 16884, 19572, 20970, 21105, 24465, 28140, 29358, 31222, 32620, 41940, 42210, 46833, 48930, 58716, 62444, 73395, 78055, 84420, 93666, 97860, 109277, 140499, 146790, 156110, 187332, 218554, 234165, 280998, 293580, 312220, 327831, 437108, 468330, 546385, 561996, 655662, 702495, 936660, 983493, 1092770, 1311324, 1404990, 1639155, 1966986, 2185540, 2809980, 3278310, 3933972, 4917465, 6556620, 9834930, 19669860]

約数ペア:

[(1, 19669860), (2, 9834930), (3, 6556620), (4, 4917465), (5, 3933972), (6, 3278310), (7, 2809980), (9, 2185540), (10, 1966986), (12, 1639155), (14, 1404990), (15, 1311324), (18, 1092770), (20, 983493), (21, 936660), (28, 702495), (30, 655662), (35, 561996), (36, 546385), (42, 468330), (45, 437108), (60, 327831), (63, 312220), (67, 293580), (70, 280998), (84, 234165), (90, 218554), (105, 187332), (126, 156110), (134, 146790), (140, 140499), (180, 109277), (201, 97860), (210, 93666), (233, 84420), (252, 78055), (268, 73395), (315, 62444), (335, 58716), (402, 48930), (420, 46833), (466, 42210), (469, 41940), (603, 32620), (630, 31222), (670, 29358), (699, 28140), (804, 24465), (932, 21105), (938, 20970), (1005, 19572), (1165, 16884), (1206, 16310), (1260, 15611), (1340, 14679), (1398, 14070), (1407, 13980), (1631, 12060), (1876, 10485), (2010, 9786), (2097, 9380), (2330, 8442), (2345, 8388), (2412, 8155), (2796, 7035), (2814, 6990), (3015, 6524), (3262, 6030), (3495, 5628), (4020, 4893), (4194, 4690), (4221, 4660)]