18051930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 53625600

約数和(自身を除く): 35573670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 37, 39, 45, 54, 65, 74, 78, 90, 111, 117, 130, 135, 139, 185, 195, 222, 234, 270, 278, 333, 351, 370, 390, 417, 481, 555, 585, 666, 695, 702, 834, 962, 999, 1110, 1170, 1251, 1390, 1443, 1665, 1755, 1807, 1998, 2085, 2405, 2502, 2886, 3330, 3510, 3614, 3753, 4170, 4329, 4810, 4995, 5143, 5421, 6255, 7215, 7506, 8658, 9035, 9990, 10286, 10842, 12510, 12987, 14430, 15429, 16263, 18070, 18765, 21645, 25715, 25974, 27105, 30858, 32526, 37530, 43290, 46287, 48789, 51430, 54210, 64935, 66859, 77145, 81315, 92574, 97578, 129870, 133718, 138861, 154290, 162630, 200577, 231435, 243945, 277722, 334295, 401154, 462870, 487890, 601731, 668590, 694305, 1002885, 1203462, 1388610, 1805193, 2005770, 3008655, 3610386, 6017310, 9025965, 18051930]

約数ペア:

[(1, 18051930), (2, 9025965), (3, 6017310), (5, 3610386), (6, 3008655), (9, 2005770), (10, 1805193), (13, 1388610), (15, 1203462), (18, 1002885), (26, 694305), (27, 668590), (30, 601731), (37, 487890), (39, 462870), (45, 401154), (54, 334295), (65, 277722), (74, 243945), (78, 231435), (90, 200577), (111, 162630), (117, 154290), (130, 138861), (135, 133718), (139, 129870), (185, 97578), (195, 92574), (222, 81315), (234, 77145), (270, 66859), (278, 64935), (333, 54210), (351, 51430), (370, 48789), (390, 46287), (417, 43290), (481, 37530), (555, 32526), (585, 30858), (666, 27105), (695, 25974), (702, 25715), (834, 21645), (962, 18765), (999, 18070), (1110, 16263), (1170, 15429), (1251, 14430), (1390, 12987), (1443, 12510), (1665, 10842), (1755, 10286), (1807, 9990), (1998, 9035), (2085, 8658), (2405, 7506), (2502, 7215), (2886, 6255), (3330, 5421), (3510, 5143), (3614, 4995), (3753, 4810), (4170, 4329)]