18925020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2237}}^1$

素因数の和:2299

約数の個数: 72

約数和(自身を含む): 58653504

約数和(自身を除く): 39728484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2237, 2820, 4230, 4474, 6711, 8460, 8948, 11185, 13422, 20133, 22370, 26844, 33555, 40266, 44740, 67110, 80532, 100665, 105139, 134220, 201330, 210278, 315417, 402660, 420556, 525695, 630834, 946251, 1051390, 1261668, 1577085, 1892502, 2102780, 3154170, 3785004, 4731255, 6308340, 9462510, 18925020]

約数ペア:

[(1, 18925020), (2, 9462510), (3, 6308340), (4, 4731255), (5, 3785004), (6, 3154170), (9, 2102780), (10, 1892502), (12, 1577085), (15, 1261668), (18, 1051390), (20, 946251), (30, 630834), (36, 525695), (45, 420556), (47, 402660), (60, 315417), (90, 210278), (94, 201330), (141, 134220), (180, 105139), (188, 100665), (235, 80532), (282, 67110), (423, 44740), (470, 40266), (564, 33555), (705, 26844), (846, 22370), (940, 20133), (1410, 13422), (1692, 11185), (2115, 8948), (2237, 8460), (2820, 6711), (4230, 4474)]