18401880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1193

約数の個数: 128

約数和(自身を含む): 66470400

約数和(自身を除く): 48068520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1153, 1330, 1596, 1995, 2280, 2306, 2660, 3192, 3459, 3990, 4612, 5320, 5765, 6918, 7980, 8071, 9224, 11530, 13836, 15960, 16142, 17295, 21907, 23060, 24213, 27672, 32284, 34590, 40355, 43814, 46120, 48426, 64568, 65721, 69180, 80710, 87628, 96852, 109535, 121065, 131442, 138360, 153349, 161420, 175256, 193704, 219070, 242130, 262884, 306698, 322840, 328605, 438140, 460047, 484260, 525768, 613396, 657210, 766745, 876280, 920094, 968520, 1226792, 1314420, 1533490, 1840188, 2300235, 2628840, 3066980, 3680376, 4600470, 6133960, 9200940, 18401880]

約数ペア:

[(1, 18401880), (2, 9200940), (3, 6133960), (4, 4600470), (5, 3680376), (6, 3066980), (7, 2628840), (8, 2300235), (10, 1840188), (12, 1533490), (14, 1314420), (15, 1226792), (19, 968520), (20, 920094), (21, 876280), (24, 766745), (28, 657210), (30, 613396), (35, 525768), (38, 484260), (40, 460047), (42, 438140), (56, 328605), (57, 322840), (60, 306698), (70, 262884), (76, 242130), (84, 219070), (95, 193704), (105, 175256), (114, 161420), (120, 153349), (133, 138360), (140, 131442), (152, 121065), (168, 109535), (190, 96852), (210, 87628), (228, 80710), (266, 69180), (280, 65721), (285, 64568), (380, 48426), (399, 46120), (420, 43814), (456, 40355), (532, 34590), (570, 32284), (665, 27672), (760, 24213), (798, 23060), (840, 21907), (1064, 17295), (1140, 16142), (1153, 15960), (1330, 13836), (1596, 11530), (1995, 9224), (2280, 8071), (2306, 7980), (2660, 6918), (3192, 5765), (3459, 5320), (3990, 4612)]