18785340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 69031872

約数和(自身を除く): 50246532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 877, 1020, 1071, 1190, 1260, 1428, 1530, 1754, 1785, 2142, 2380, 2631, 3060, 3508, 3570, 4284, 4385, 5262, 5355, 6139, 7140, 7893, 8770, 10524, 10710, 12278, 13155, 14909, 15786, 17540, 18417, 21420, 24556, 26310, 29818, 30695, 31572, 36834, 39465, 44727, 52620, 55251, 59636, 61390, 73668, 74545, 78930, 89454, 92085, 104363, 110502, 122780, 134181, 149090, 157860, 178908, 184170, 208726, 221004, 223635, 268362, 276255, 298180, 313089, 368340, 417452, 447270, 521815, 536724, 552510, 626178, 670905, 894540, 939267, 1043630, 1105020, 1252356, 1341810, 1565445, 1878534, 2087260, 2683620, 3130890, 3757068, 4696335, 6261780, 9392670, 18785340]

約数ペア:

[(1, 18785340), (2, 9392670), (3, 6261780), (4, 4696335), (5, 3757068), (6, 3130890), (7, 2683620), (9, 2087260), (10, 1878534), (12, 1565445), (14, 1341810), (15, 1252356), (17, 1105020), (18, 1043630), (20, 939267), (21, 894540), (28, 670905), (30, 626178), (34, 552510), (35, 536724), (36, 521815), (42, 447270), (45, 417452), (51, 368340), (60, 313089), (63, 298180), (68, 276255), (70, 268362), (84, 223635), (85, 221004), (90, 208726), (102, 184170), (105, 178908), (119, 157860), (126, 149090), (140, 134181), (153, 122780), (170, 110502), (180, 104363), (204, 92085), (210, 89454), (238, 78930), (252, 74545), (255, 73668), (306, 61390), (315, 59636), (340, 55251), (357, 52620), (420, 44727), (476, 39465), (510, 36834), (595, 31572), (612, 30695), (630, 29818), (714, 26310), (765, 24556), (877, 21420), (1020, 18417), (1071, 17540), (1190, 15786), (1260, 14909), (1428, 13155), (1530, 12278), (1754, 10710), (1785, 10524), (2142, 8770), (2380, 7893), (2631, 7140), (3060, 6139), (3508, 5355), (3570, 5262), (4284, 4385)]