18358830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 144

約数和(自身を含む): 58260384

約数和(自身を除く): 39901554

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 181, 207, 210, 230, 245, 294, 315, 322, 345, 362, 414, 441, 483, 490, 543, 630, 690, 735, 805, 882, 905, 966, 1035, 1086, 1127, 1267, 1449, 1470, 1610, 1629, 1810, 2070, 2205, 2254, 2415, 2534, 2715, 2898, 3258, 3381, 3801, 4163, 4410, 4830, 5430, 5635, 6335, 6762, 7245, 7602, 8145, 8326, 8869, 10143, 11270, 11403, 12489, 12670, 14490, 16290, 16905, 17738, 19005, 20286, 20815, 22806, 24978, 26607, 29141, 33810, 37467, 38010, 41630, 44345, 50715, 53214, 57015, 58282, 62445, 74934, 79821, 87423, 88690, 101430, 114030, 124890, 133035, 145705, 159642, 174846, 187335, 203987, 262269, 266070, 291410, 374670, 399105, 407974, 437115, 524538, 611961, 798210, 874230, 1019935, 1223922, 1311345, 1835883, 2039870, 2622690, 3059805, 3671766, 6119610, 9179415, 18358830]

約数ペア:

[(1, 18358830), (2, 9179415), (3, 6119610), (5, 3671766), (6, 3059805), (7, 2622690), (9, 2039870), (10, 1835883), (14, 1311345), (15, 1223922), (18, 1019935), (21, 874230), (23, 798210), (30, 611961), (35, 524538), (42, 437115), (45, 407974), (46, 399105), (49, 374670), (63, 291410), (69, 266070), (70, 262269), (90, 203987), (98, 187335), (105, 174846), (115, 159642), (126, 145705), (138, 133035), (147, 124890), (161, 114030), (181, 101430), (207, 88690), (210, 87423), (230, 79821), (245, 74934), (294, 62445), (315, 58282), (322, 57015), (345, 53214), (362, 50715), (414, 44345), (441, 41630), (483, 38010), (490, 37467), (543, 33810), (630, 29141), (690, 26607), (735, 24978), (805, 22806), (882, 20815), (905, 20286), (966, 19005), (1035, 17738), (1086, 16905), (1127, 16290), (1267, 14490), (1449, 12670), (1470, 12489), (1610, 11403), (1629, 11270), (1810, 10143), (2070, 8869), (2205, 8326), (2254, 8145), (2415, 7602), (2534, 7245), (2715, 6762), (2898, 6335), (3258, 5635), (3381, 5430), (3801, 4830), (4163, 4410)]