18137844

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 52141320

約数和(自身を除く): 34003476

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 37, 51, 54, 68, 74, 81, 89, 102, 108, 111, 148, 153, 162, 178, 204, 222, 267, 306, 324, 333, 356, 444, 459, 534, 612, 629, 666, 801, 918, 999, 1068, 1258, 1332, 1377, 1513, 1602, 1836, 1887, 1998, 2403, 2516, 2754, 2997, 3026, 3204, 3293, 3774, 3996, 4539, 4806, 5508, 5661, 5994, 6052, 6586, 7209, 7548, 9078, 9612, 9879, 11322, 11988, 13172, 13617, 14418, 16983, 18156, 19758, 22644, 27234, 28836, 29637, 33966, 39516, 40851, 50949, 54468, 55981, 59274, 67932, 81702, 88911, 101898, 111962, 118548, 122553, 163404, 167943, 177822, 203796, 223924, 245106, 266733, 335886, 355644, 490212, 503829, 533466, 671772, 1007658, 1066932, 1511487, 2015316, 3022974, 4534461, 6045948, 9068922, 18137844]

約数ペア:

[(1, 18137844), (2, 9068922), (3, 6045948), (4, 4534461), (6, 3022974), (9, 2015316), (12, 1511487), (17, 1066932), (18, 1007658), (27, 671772), (34, 533466), (36, 503829), (37, 490212), (51, 355644), (54, 335886), (68, 266733), (74, 245106), (81, 223924), (89, 203796), (102, 177822), (108, 167943), (111, 163404), (148, 122553), (153, 118548), (162, 111962), (178, 101898), (204, 88911), (222, 81702), (267, 67932), (306, 59274), (324, 55981), (333, 54468), (356, 50949), (444, 40851), (459, 39516), (534, 33966), (612, 29637), (629, 28836), (666, 27234), (801, 22644), (918, 19758), (999, 18156), (1068, 16983), (1258, 14418), (1332, 13617), (1377, 13172), (1513, 11988), (1602, 11322), (1836, 9879), (1887, 9612), (1998, 9078), (2403, 7548), (2516, 7209), (2754, 6586), (2997, 6052), (3026, 5994), (3204, 5661), (3293, 5508), (3774, 4806), (3996, 4539)]