19862130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 49610880

約数和(自身を除く): 29748750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 89, 129, 173, 178, 215, 258, 267, 346, 430, 445, 519, 534, 645, 865, 890, 1038, 1290, 1335, 1730, 2595, 2670, 3827, 5190, 7439, 7654, 11481, 14878, 15397, 19135, 22317, 22962, 30794, 37195, 38270, 44634, 46191, 57405, 74390, 76985, 92382, 111585, 114810, 153970, 223170, 230955, 461910, 662071, 1324142, 1986213, 3310355, 3972426, 6620710, 9931065, 19862130]

約数ペア:

[(1, 19862130), (2, 9931065), (3, 6620710), (5, 3972426), (6, 3310355), (10, 1986213), (15, 1324142), (30, 662071), (43, 461910), (86, 230955), (89, 223170), (129, 153970), (173, 114810), (178, 111585), (215, 92382), (258, 76985), (267, 74390), (346, 57405), (430, 46191), (445, 44634), (519, 38270), (534, 37195), (645, 30794), (865, 22962), (890, 22317), (1038, 19135), (1290, 15397), (1335, 14878), (1730, 11481), (2595, 7654), (2670, 7439), (3827, 5190)]