18821970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1261

約数の個数: 80

約数和(自身を含む): 53317440

約数和(自身を除く): 34495470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1223, 1539, 1710, 2446, 2565, 3078, 3669, 5130, 6115, 7338, 7695, 11007, 12230, 15390, 18345, 22014, 23237, 33021, 36690, 46474, 55035, 66042, 69711, 99063, 110070, 116185, 139422, 165105, 198126, 209133, 232370, 330210, 348555, 418266, 495315, 627399, 697110, 990630, 1045665, 1254798, 1882197, 2091330, 3136995, 3764394, 6273990, 9410985, 18821970]

約数ペア:

[(1, 18821970), (2, 9410985), (3, 6273990), (5, 3764394), (6, 3136995), (9, 2091330), (10, 1882197), (15, 1254798), (18, 1045665), (19, 990630), (27, 697110), (30, 627399), (38, 495315), (45, 418266), (54, 348555), (57, 330210), (81, 232370), (90, 209133), (95, 198126), (114, 165105), (135, 139422), (162, 116185), (171, 110070), (190, 99063), (270, 69711), (285, 66042), (342, 55035), (405, 46474), (513, 36690), (570, 33021), (810, 23237), (855, 22014), (1026, 18345), (1223, 15390), (1539, 12230), (1710, 11007), (2446, 7695), (2565, 7338), (3078, 6115), (3669, 5130)]