1821981910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{2251}}^1$

素因数の和:2669

約数の個数: 64

約数和(自身を含む): 3881078784

約数和(自身を除く): 2059096874

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 373, 434, 746, 1085, 1865, 2170, 2251, 2611, 3730, 4502, 5222, 11255, 11563, 13055, 15757, 22510, 23126, 26110, 31514, 57815, 69781, 78785, 80941, 115630, 139562, 157570, 161882, 348905, 404705, 488467, 697810, 809410, 839623, 976934, 1679246, 2442335, 4198115, 4884670, 5877361, 8396230, 11754722, 26028313, 29386805, 52056626, 58773610, 130141565, 182198191, 260283130, 364396382, 910990955, 1821981910]

約数ペア:

[(1, 1821981910), (2, 910990955), (5, 364396382), (7, 260283130), (10, 182198191), (14, 130141565), (31, 58773610), (35, 52056626), (62, 29386805), (70, 26028313), (155, 11754722), (217, 8396230), (310, 5877361), (373, 4884670), (434, 4198115), (746, 2442335), (1085, 1679246), (1865, 976934), (2170, 839623), (2251, 809410), (2611, 697810), (3730, 488467), (4502, 404705), (5222, 348905), (11255, 161882), (11563, 157570), (13055, 139562), (15757, 115630), (22510, 80941), (23126, 78785), (26110, 69781), (31514, 57815)]