18201207320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{33589}}^1$

素因数の和:33673

約数の個数: 128

約数和(自身を含む): 46434816000

約数和(自身を除く): 28233608680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 184, 190, 230, 248, 310, 380, 437, 460, 589, 620, 713, 760, 874, 920, 1178, 1240, 1426, 1748, 2185, 2356, 2852, 2945, 3496, 3565, 4370, 4712, 5704, 5890, 7130, 8740, 11780, 13547, 14260, 17480, 23560, 27094, 28520, 33589, 54188, 67178, 67735, 108376, 134356, 135470, 167945, 268712, 270940, 335890, 541880, 638191, 671780, 772547, 1041259, 1276382, 1343560, 1545094, 2082518, 2552764, 3090188, 3190955, 3862735, 4165036, 5105528, 5206295, 6180376, 6381910, 7725470, 8330072, 10412590, 12763820, 14678393, 15450940, 19783921, 20825180, 23948957, 25527640, 29356786, 30901880, 39567842, 41650360, 47897914, 58713572, 73391965, 79135684, 95795828, 98919605, 117427144, 119744785, 146783930, 158271368, 191591656, 197839210, 239489570, 293567860, 395678420, 455030183, 478979140, 587135720, 791356840, 910060366, 957958280, 1820120732, 2275150915, 3640241464, 4550301830, 9100603660, 18201207320]

約数ペア:

[(1, 18201207320), (2, 9100603660), (4, 4550301830), (5, 3640241464), (8, 2275150915), (10, 1820120732), (19, 957958280), (20, 910060366), (23, 791356840), (31, 587135720), (38, 478979140), (40, 455030183), (46, 395678420), (62, 293567860), (76, 239489570), (92, 197839210), (95, 191591656), (115, 158271368), (124, 146783930), (152, 119744785), (155, 117427144), (184, 98919605), (190, 95795828), (230, 79135684), (248, 73391965), (310, 58713572), (380, 47897914), (437, 41650360), (460, 39567842), (589, 30901880), (620, 29356786), (713, 25527640), (760, 23948957), (874, 20825180), (920, 19783921), (1178, 15450940), (1240, 14678393), (1426, 12763820), (1748, 10412590), (2185, 8330072), (2356, 7725470), (2852, 6381910), (2945, 6180376), (3496, 5206295), (3565, 5105528), (4370, 4165036), (4712, 3862735), (5704, 3190955), (5890, 3090188), (7130, 2552764), (8740, 2082518), (11780, 1545094), (13547, 1343560), (14260, 1276382), (17480, 1041259), (23560, 772547), (27094, 671780), (28520, 638191), (33589, 541880), (54188, 335890), (67178, 270940), (67735, 268712), (108376, 167945), (134356, 135470)]