19115820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6247}}^1$

素因数の和:6279

約数の個数: 72

約数和(自身を含む): 61405344

約数和(自身を除く): 42289524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6247, 12494, 18741, 24988, 31235, 37482, 56223, 62470, 74964, 93705, 106199, 112446, 124940, 187410, 212398, 224892, 281115, 318597, 374820, 424796, 530995, 562230, 637194, 955791, 1061990, 1124460, 1274388, 1592985, 1911582, 2123980, 3185970, 3823164, 4778955, 6371940, 9557910, 19115820]

約数ペア:

[(1, 19115820), (2, 9557910), (3, 6371940), (4, 4778955), (5, 3823164), (6, 3185970), (9, 2123980), (10, 1911582), (12, 1592985), (15, 1274388), (17, 1124460), (18, 1061990), (20, 955791), (30, 637194), (34, 562230), (36, 530995), (45, 424796), (51, 374820), (60, 318597), (68, 281115), (85, 224892), (90, 212398), (102, 187410), (153, 124940), (170, 112446), (180, 106199), (204, 93705), (255, 74964), (306, 62470), (340, 56223), (510, 37482), (612, 31235), (765, 24988), (1020, 18741), (1530, 12494), (3060, 6247)]