18769530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 35662470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 149, 170, 190, 195, 221, 247, 255, 285, 298, 323, 390, 442, 447, 494, 510, 570, 646, 663, 741, 745, 894, 969, 1105, 1235, 1326, 1482, 1490, 1615, 1937, 1938, 2210, 2235, 2470, 2533, 2831, 3230, 3315, 3705, 3874, 4199, 4470, 4845, 5066, 5662, 5811, 6630, 7410, 7599, 8398, 8493, 9685, 9690, 11622, 12597, 12665, 14155, 15198, 16986, 19370, 20995, 25194, 25330, 28310, 29055, 32929, 36803, 37995, 41990, 42465, 48127, 58110, 62985, 65858, 73606, 75990, 84930, 96254, 98787, 110409, 125970, 144381, 164645, 184015, 197574, 220818, 240635, 288762, 329290, 368030, 481270, 493935, 552045, 625651, 721905, 987870, 1104090, 1251302, 1443810, 1876953, 3128255, 3753906, 6256510, 9384765, 18769530]

約数ペア:

[(1, 18769530), (2, 9384765), (3, 6256510), (5, 3753906), (6, 3128255), (10, 1876953), (13, 1443810), (15, 1251302), (17, 1104090), (19, 987870), (26, 721905), (30, 625651), (34, 552045), (38, 493935), (39, 481270), (51, 368030), (57, 329290), (65, 288762), (78, 240635), (85, 220818), (95, 197574), (102, 184015), (114, 164645), (130, 144381), (149, 125970), (170, 110409), (190, 98787), (195, 96254), (221, 84930), (247, 75990), (255, 73606), (285, 65858), (298, 62985), (323, 58110), (390, 48127), (442, 42465), (447, 41990), (494, 37995), (510, 36803), (570, 32929), (646, 29055), (663, 28310), (741, 25330), (745, 25194), (894, 20995), (969, 19370), (1105, 16986), (1235, 15198), (1326, 14155), (1482, 12665), (1490, 12597), (1615, 11622), (1937, 9690), (1938, 9685), (2210, 8493), (2235, 8398), (2470, 7599), (2533, 7410), (2831, 6630), (3230, 5811), (3315, 5662), (3705, 5066), (3874, 4845), (4199, 4470)]