19745370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1321

約数の個数: 80

約数和(自身を含む): 55931040

約数和(自身を除く): 36185670

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, 1283, 1539, 1710, 2565, 2566, 3078, 3849, 5130, 6415, 7695, 7698, 11547, 12830, 15390, 19245, 23094, 24377, 34641, 38490, 48754, 57735, 69282, 73131, 103923, 115470, 121885, 146262, 173205, 207846, 219393, 243770, 346410, 365655, 438786, 519615, 658179, 731310, 1039230, 1096965, 1316358, 1974537, 2193930, 3290895, 3949074, 6581790, 9872685, 19745370]

約数ペア:

[(1, 19745370), (2, 9872685), (3, 6581790), (5, 3949074), (6, 3290895), (9, 2193930), (10, 1974537), (15, 1316358), (18, 1096965), (19, 1039230), (27, 731310), (30, 658179), (38, 519615), (45, 438786), (54, 365655), (57, 346410), (81, 243770), (90, 219393), (95, 207846), (114, 173205), (135, 146262), (162, 121885), (171, 115470), (190, 103923), (270, 73131), (285, 69282), (342, 57735), (405, 48754), (513, 38490), (570, 34641), (810, 24377), (855, 23094), (1026, 19245), (1283, 15390), (1539, 12830), (1710, 11547), (2565, 7698), (2566, 7695), (3078, 6415), (3849, 5130)]