18557370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 38051910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 85, 90, 102, 117, 130, 135, 153, 170, 195, 221, 234, 255, 270, 306, 311, 351, 390, 442, 459, 510, 585, 622, 663, 702, 765, 918, 933, 1105, 1170, 1326, 1530, 1555, 1755, 1866, 1989, 2210, 2295, 2799, 3110, 3315, 3510, 3978, 4043, 4590, 4665, 5287, 5598, 5967, 6630, 8086, 8397, 9330, 9945, 10574, 11934, 12129, 13995, 15861, 16794, 19890, 20215, 24258, 26435, 27990, 29835, 31722, 36387, 40430, 41985, 47583, 52870, 59670, 60645, 68731, 72774, 79305, 83970, 95166, 109161, 121290, 137462, 142749, 158610, 181935, 206193, 218322, 237915, 285498, 343655, 363870, 412386, 475830, 545805, 618579, 687310, 713745, 1030965, 1091610, 1237158, 1427490, 1855737, 2061930, 3092895, 3711474, 6185790, 9278685, 18557370]

約数ペア:

[(1, 18557370), (2, 9278685), (3, 6185790), (5, 3711474), (6, 3092895), (9, 2061930), (10, 1855737), (13, 1427490), (15, 1237158), (17, 1091610), (18, 1030965), (26, 713745), (27, 687310), (30, 618579), (34, 545805), (39, 475830), (45, 412386), (51, 363870), (54, 343655), (65, 285498), (78, 237915), (85, 218322), (90, 206193), (102, 181935), (117, 158610), (130, 142749), (135, 137462), (153, 121290), (170, 109161), (195, 95166), (221, 83970), (234, 79305), (255, 72774), (270, 68731), (306, 60645), (311, 59670), (351, 52870), (390, 47583), (442, 41985), (459, 40430), (510, 36387), (585, 31722), (622, 29835), (663, 27990), (702, 26435), (765, 24258), (918, 20215), (933, 19890), (1105, 16794), (1170, 15861), (1326, 13995), (1530, 12129), (1555, 11934), (1755, 10574), (1866, 9945), (1989, 9330), (2210, 8397), (2295, 8086), (2799, 6630), (3110, 5967), (3315, 5598), (3510, 5287), (3978, 4665), (4043, 4590)]