18472020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 61746048

約数和(自身を除く): 43274028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 61, 70, 84, 98, 103, 105, 122, 140, 147, 183, 196, 206, 210, 244, 245, 294, 305, 309, 366, 412, 420, 427, 490, 515, 588, 610, 618, 721, 732, 735, 854, 915, 980, 1030, 1220, 1236, 1281, 1442, 1470, 1545, 1708, 1830, 2060, 2135, 2163, 2562, 2884, 2940, 2989, 3090, 3605, 3660, 4270, 4326, 5047, 5124, 5978, 6180, 6283, 6405, 7210, 8540, 8652, 8967, 10094, 10815, 11956, 12566, 12810, 14420, 14945, 15141, 17934, 18849, 20188, 21630, 25132, 25235, 25620, 29890, 30282, 31415, 35868, 37698, 43260, 43981, 44835, 50470, 59780, 60564, 62830, 75396, 75705, 87962, 89670, 94245, 100940, 125660, 131943, 151410, 175924, 179340, 188490, 219905, 263886, 302820, 307867, 376980, 439810, 527772, 615734, 659715, 879620, 923601, 1231468, 1319430, 1539335, 1847202, 2638860, 3078670, 3694404, 4618005, 6157340, 9236010, 18472020]

約数ペア:

[(1, 18472020), (2, 9236010), (3, 6157340), (4, 4618005), (5, 3694404), (6, 3078670), (7, 2638860), (10, 1847202), (12, 1539335), (14, 1319430), (15, 1231468), (20, 923601), (21, 879620), (28, 659715), (30, 615734), (35, 527772), (42, 439810), (49, 376980), (60, 307867), (61, 302820), (70, 263886), (84, 219905), (98, 188490), (103, 179340), (105, 175924), (122, 151410), (140, 131943), (147, 125660), (183, 100940), (196, 94245), (206, 89670), (210, 87962), (244, 75705), (245, 75396), (294, 62830), (305, 60564), (309, 59780), (366, 50470), (412, 44835), (420, 43981), (427, 43260), (490, 37698), (515, 35868), (588, 31415), (610, 30282), (618, 29890), (721, 25620), (732, 25235), (735, 25132), (854, 21630), (915, 20188), (980, 18849), (1030, 17934), (1220, 15141), (1236, 14945), (1281, 14420), (1442, 12810), (1470, 12566), (1545, 11956), (1708, 10815), (1830, 10094), (2060, 8967), (2135, 8652), (2163, 8540), (2562, 7210), (2884, 6405), (2940, 6283), (2989, 6180), (3090, 5978), (3605, 5124), (3660, 5047), (4270, 4326)]