19240520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 47113920

約数和(自身を除く): 27873400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 227, 260, 326, 454, 520, 652, 815, 908, 1135, 1304, 1630, 1816, 2119, 2270, 2951, 3260, 4238, 4540, 5902, 6520, 8476, 9080, 10595, 11804, 14755, 16952, 21190, 23608, 29510, 37001, 42380, 59020, 74002, 84760, 118040, 148004, 185005, 296008, 370010, 481013, 740020, 962026, 1480040, 1924052, 2405065, 3848104, 4810130, 9620260, 19240520]

約数ペア:

[(1, 19240520), (2, 9620260), (4, 4810130), (5, 3848104), (8, 2405065), (10, 1924052), (13, 1480040), (20, 962026), (26, 740020), (40, 481013), (52, 370010), (65, 296008), (104, 185005), (130, 148004), (163, 118040), (227, 84760), (260, 74002), (326, 59020), (454, 42380), (520, 37001), (652, 29510), (815, 23608), (908, 21190), (1135, 16952), (1304, 14755), (1630, 11804), (1816, 10595), (2119, 9080), (2270, 8476), (2951, 6520), (3260, 5902), (4238, 4540)]