19589790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36397410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 29, 30, 33, 46, 55, 58, 66, 69, 87, 89, 110, 115, 138, 145, 165, 174, 178, 230, 253, 267, 290, 319, 330, 345, 435, 445, 506, 534, 638, 667, 690, 759, 870, 890, 957, 979, 1265, 1334, 1335, 1518, 1595, 1914, 1958, 2001, 2047, 2530, 2581, 2670, 2937, 3190, 3335, 3795, 4002, 4094, 4785, 4895, 5162, 5874, 6141, 6670, 7337, 7590, 7743, 9570, 9790, 10005, 10235, 12282, 12905, 14674, 14685, 15486, 20010, 20470, 22011, 22517, 25810, 28391, 29370, 30705, 36685, 38715, 44022, 45034, 56782, 59363, 61410, 67551, 73370, 77430, 85173, 110055, 112585, 118726, 135102, 141955, 170346, 178089, 220110, 225170, 283910, 296815, 337755, 356178, 425865, 593630, 652993, 675510, 851730, 890445, 1305986, 1780890, 1958979, 3264965, 3917958, 6529930, 9794895, 19589790]

約数ペア:

[(1, 19589790), (2, 9794895), (3, 6529930), (5, 3917958), (6, 3264965), (10, 1958979), (11, 1780890), (15, 1305986), (22, 890445), (23, 851730), (29, 675510), (30, 652993), (33, 593630), (46, 425865), (55, 356178), (58, 337755), (66, 296815), (69, 283910), (87, 225170), (89, 220110), (110, 178089), (115, 170346), (138, 141955), (145, 135102), (165, 118726), (174, 112585), (178, 110055), (230, 85173), (253, 77430), (267, 73370), (290, 67551), (319, 61410), (330, 59363), (345, 56782), (435, 45034), (445, 44022), (506, 38715), (534, 36685), (638, 30705), (667, 29370), (690, 28391), (759, 25810), (870, 22517), (890, 22011), (957, 20470), (979, 20010), (1265, 15486), (1334, 14685), (1335, 14674), (1518, 12905), (1595, 12282), (1914, 10235), (1958, 10005), (2001, 9790), (2047, 9570), (2530, 7743), (2581, 7590), (2670, 7337), (2937, 6670), (3190, 6141), (3335, 5874), (3795, 5162), (4002, 4895), (4094, 4785)]