19450440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 63980280

約数和(自身を除く): 44529840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 557, 582, 776, 873, 970, 1114, 1164, 1455, 1671, 1746, 1940, 2228, 2328, 2785, 2910, 3342, 3492, 3880, 4365, 4456, 5013, 5570, 5820, 6684, 6984, 8355, 8730, 10026, 11140, 11640, 13368, 16710, 17460, 20052, 22280, 25065, 33420, 34920, 40104, 50130, 54029, 66840, 100260, 108058, 162087, 200520, 216116, 270145, 324174, 432232, 486261, 540290, 648348, 810435, 972522, 1080580, 1296696, 1620870, 1945044, 2161160, 2431305, 3241740, 3890088, 4862610, 6483480, 9725220, 19450440]

約数ペア:

[(1, 19450440), (2, 9725220), (3, 6483480), (4, 4862610), (5, 3890088), (6, 3241740), (8, 2431305), (9, 2161160), (10, 1945044), (12, 1620870), (15, 1296696), (18, 1080580), (20, 972522), (24, 810435), (30, 648348), (36, 540290), (40, 486261), (45, 432232), (60, 324174), (72, 270145), (90, 216116), (97, 200520), (120, 162087), (180, 108058), (194, 100260), (291, 66840), (360, 54029), (388, 50130), (485, 40104), (557, 34920), (582, 33420), (776, 25065), (873, 22280), (970, 20052), (1114, 17460), (1164, 16710), (1455, 13368), (1671, 11640), (1746, 11140), (1940, 10026), (2228, 8730), (2328, 8355), (2785, 6984), (2910, 6684), (3342, 5820), (3492, 5570), (3880, 5013), (4365, 4456)]