18454860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 61248096

約数和(自身を除く): 42793236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 37, 45, 51, 60, 68, 74, 85, 90, 102, 111, 148, 153, 163, 170, 180, 185, 204, 222, 255, 306, 326, 333, 340, 370, 444, 489, 510, 555, 612, 629, 652, 666, 740, 765, 815, 978, 1020, 1110, 1258, 1332, 1467, 1530, 1630, 1665, 1887, 1956, 2220, 2445, 2516, 2771, 2934, 3060, 3145, 3260, 3330, 3774, 4890, 5542, 5661, 5868, 6031, 6290, 6660, 7335, 7548, 8313, 9435, 9780, 11084, 11322, 12062, 12580, 13855, 14670, 16626, 18093, 18870, 22644, 24124, 24939, 27710, 28305, 29340, 30155, 33252, 36186, 37740, 41565, 49878, 54279, 55420, 56610, 60310, 72372, 83130, 90465, 99756, 102527, 108558, 113220, 120620, 124695, 166260, 180930, 205054, 217116, 249390, 271395, 307581, 361860, 410108, 498780, 512635, 542790, 615162, 922743, 1025270, 1085580, 1230324, 1537905, 1845486, 2050540, 3075810, 3690972, 4613715, 6151620, 9227430, 18454860]

約数ペア:

[(1, 18454860), (2, 9227430), (3, 6151620), (4, 4613715), (5, 3690972), (6, 3075810), (9, 2050540), (10, 1845486), (12, 1537905), (15, 1230324), (17, 1085580), (18, 1025270), (20, 922743), (30, 615162), (34, 542790), (36, 512635), (37, 498780), (45, 410108), (51, 361860), (60, 307581), (68, 271395), (74, 249390), (85, 217116), (90, 205054), (102, 180930), (111, 166260), (148, 124695), (153, 120620), (163, 113220), (170, 108558), (180, 102527), (185, 99756), (204, 90465), (222, 83130), (255, 72372), (306, 60310), (326, 56610), (333, 55420), (340, 54279), (370, 49878), (444, 41565), (489, 37740), (510, 36186), (555, 33252), (612, 30155), (629, 29340), (652, 28305), (666, 27710), (740, 24939), (765, 24124), (815, 22644), (978, 18870), (1020, 18093), (1110, 16626), (1258, 14670), (1332, 13855), (1467, 12580), (1530, 12062), (1630, 11322), (1665, 11084), (1887, 9780), (1956, 9435), (2220, 8313), (2445, 7548), (2516, 7335), (2771, 6660), (2934, 6290), (3060, 6031), (3145, 5868), (3260, 5661), (3330, 5542), (3774, 4890)]