18393540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 60056640

約数和(自身を除く): 41663100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 31, 33, 44, 55, 58, 60, 62, 66, 87, 93, 110, 116, 124, 132, 145, 155, 165, 174, 186, 220, 290, 310, 319, 330, 341, 348, 372, 435, 465, 580, 620, 638, 660, 682, 870, 899, 930, 957, 961, 1023, 1276, 1364, 1595, 1705, 1740, 1798, 1860, 1914, 1922, 2046, 2697, 2883, 3190, 3410, 3596, 3828, 3844, 4092, 4495, 4785, 4805, 5115, 5394, 5766, 6380, 6820, 8990, 9570, 9610, 9889, 10230, 10571, 10788, 11532, 13485, 14415, 17980, 19140, 19220, 19778, 20460, 21142, 26970, 27869, 28830, 29667, 31713, 39556, 42284, 49445, 52855, 53940, 55738, 57660, 59334, 63426, 83607, 98890, 105710, 111476, 118668, 126852, 139345, 148335, 158565, 167214, 197780, 211420, 278690, 296670, 306559, 317130, 334428, 418035, 557380, 593340, 613118, 634260, 836070, 919677, 1226236, 1532795, 1672140, 1839354, 3065590, 3678708, 4598385, 6131180, 9196770, 18393540]

約数ペア:

[(1, 18393540), (2, 9196770), (3, 6131180), (4, 4598385), (5, 3678708), (6, 3065590), (10, 1839354), (11, 1672140), (12, 1532795), (15, 1226236), (20, 919677), (22, 836070), (29, 634260), (30, 613118), (31, 593340), (33, 557380), (44, 418035), (55, 334428), (58, 317130), (60, 306559), (62, 296670), (66, 278690), (87, 211420), (93, 197780), (110, 167214), (116, 158565), (124, 148335), (132, 139345), (145, 126852), (155, 118668), (165, 111476), (174, 105710), (186, 98890), (220, 83607), (290, 63426), (310, 59334), (319, 57660), (330, 55738), (341, 53940), (348, 52855), (372, 49445), (435, 42284), (465, 39556), (580, 31713), (620, 29667), (638, 28830), (660, 27869), (682, 26970), (870, 21142), (899, 20460), (930, 19778), (957, 19220), (961, 19140), (1023, 17980), (1276, 14415), (1364, 13485), (1595, 11532), (1705, 10788), (1740, 10571), (1798, 10230), (1860, 9889), (1914, 9610), (1922, 9570), (2046, 8990), (2697, 6820), (2883, 6380), (3190, 5766), (3410, 5394), (3596, 5115), (3828, 4805), (3844, 4785), (4092, 4495)]