18131724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 54486432

約数和(自身を除く): 36354708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 43, 51, 52, 53, 68, 78, 86, 102, 106, 117, 129, 153, 156, 159, 172, 204, 212, 221, 234, 258, 306, 318, 387, 442, 468, 477, 516, 559, 612, 636, 663, 689, 731, 774, 884, 901, 954, 1118, 1326, 1378, 1462, 1548, 1677, 1802, 1908, 1989, 2067, 2193, 2236, 2279, 2652, 2703, 2756, 2924, 3354, 3604, 3978, 4134, 4386, 4558, 5031, 5406, 6201, 6579, 6708, 6837, 7956, 8109, 8268, 8772, 9116, 9503, 10062, 10812, 11713, 12402, 13158, 13674, 16218, 19006, 20124, 20511, 23426, 24804, 26316, 27348, 28509, 29627, 32436, 35139, 38012, 38743, 41022, 46852, 57018, 59254, 70278, 77486, 82044, 85527, 88881, 105417, 114036, 116229, 118508, 140556, 154972, 171054, 177762, 210834, 232458, 266643, 342108, 348687, 355524, 421668, 464916, 503659, 533286, 697374, 1007318, 1066572, 1394748, 1510977, 2014636, 3021954, 4532931, 6043908, 9065862, 18131724]

約数ペア:

[(1, 18131724), (2, 9065862), (3, 6043908), (4, 4532931), (6, 3021954), (9, 2014636), (12, 1510977), (13, 1394748), (17, 1066572), (18, 1007318), (26, 697374), (34, 533286), (36, 503659), (39, 464916), (43, 421668), (51, 355524), (52, 348687), (53, 342108), (68, 266643), (78, 232458), (86, 210834), (102, 177762), (106, 171054), (117, 154972), (129, 140556), (153, 118508), (156, 116229), (159, 114036), (172, 105417), (204, 88881), (212, 85527), (221, 82044), (234, 77486), (258, 70278), (306, 59254), (318, 57018), (387, 46852), (442, 41022), (468, 38743), (477, 38012), (516, 35139), (559, 32436), (612, 29627), (636, 28509), (663, 27348), (689, 26316), (731, 24804), (774, 23426), (884, 20511), (901, 20124), (954, 19006), (1118, 16218), (1326, 13674), (1378, 13158), (1462, 12402), (1548, 11713), (1677, 10812), (1802, 10062), (1908, 9503), (1989, 9116), (2067, 8772), (2193, 8268), (2236, 8109), (2279, 7956), (2652, 6837), (2703, 6708), (2756, 6579), (2924, 6201), (3354, 5406), (3604, 5031), (3978, 4558), (4134, 4386)]