18811170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 40286430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 105, 111, 126, 135, 185, 189, 210, 222, 259, 269, 270, 315, 333, 370, 378, 518, 538, 555, 630, 666, 777, 807, 945, 999, 1110, 1295, 1345, 1554, 1614, 1665, 1883, 1890, 1998, 2331, 2421, 2590, 2690, 3330, 3766, 3885, 4035, 4662, 4842, 4995, 5649, 6993, 7263, 7770, 8070, 9415, 9953, 9990, 11298, 11655, 12105, 13986, 14526, 16947, 18830, 19906, 23310, 24210, 28245, 29859, 33894, 34965, 36315, 49765, 50841, 56490, 59718, 69671, 69930, 72630, 84735, 89577, 99530, 101682, 139342, 149295, 169470, 179154, 209013, 254205, 268731, 298590, 348355, 418026, 447885, 508410, 537462, 627039, 696710, 895770, 1045065, 1254078, 1343655, 1881117, 2090130, 2687310, 3135195, 3762234, 6270390, 9405585, 18811170]

約数ペア:

[(1, 18811170), (2, 9405585), (3, 6270390), (5, 3762234), (6, 3135195), (7, 2687310), (9, 2090130), (10, 1881117), (14, 1343655), (15, 1254078), (18, 1045065), (21, 895770), (27, 696710), (30, 627039), (35, 537462), (37, 508410), (42, 447885), (45, 418026), (54, 348355), (63, 298590), (70, 268731), (74, 254205), (90, 209013), (105, 179154), (111, 169470), (126, 149295), (135, 139342), (185, 101682), (189, 99530), (210, 89577), (222, 84735), (259, 72630), (269, 69930), (270, 69671), (315, 59718), (333, 56490), (370, 50841), (378, 49765), (518, 36315), (538, 34965), (555, 33894), (630, 29859), (666, 28245), (777, 24210), (807, 23310), (945, 19906), (999, 18830), (1110, 16947), (1295, 14526), (1345, 13986), (1554, 12105), (1614, 11655), (1665, 11298), (1883, 9990), (1890, 9953), (1998, 9415), (2331, 8070), (2421, 7770), (2590, 7263), (2690, 6993), (3330, 5649), (3766, 4995), (3885, 4842), (4035, 4662)]