19153900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 46403280

約数和(自身を除く): 27249380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 593, 646, 850, 950, 1186, 1292, 1615, 1700, 1900, 2372, 2965, 3230, 5930, 6460, 8075, 10081, 11267, 11860, 14825, 16150, 20162, 22534, 29650, 32300, 40324, 45068, 50405, 56335, 59300, 100810, 112670, 191539, 201620, 225340, 252025, 281675, 383078, 504050, 563350, 766156, 957695, 1008100, 1126700, 1915390, 3830780, 4788475, 9576950, 19153900]

約数ペア:

[(1, 19153900), (2, 9576950), (4, 4788475), (5, 3830780), (10, 1915390), (17, 1126700), (19, 1008100), (20, 957695), (25, 766156), (34, 563350), (38, 504050), (50, 383078), (68, 281675), (76, 252025), (85, 225340), (95, 201620), (100, 191539), (170, 112670), (190, 100810), (323, 59300), (340, 56335), (380, 50405), (425, 45068), (475, 40324), (593, 32300), (646, 29650), (850, 22534), (950, 20162), (1186, 16150), (1292, 14825), (1615, 11860), (1700, 11267), (1900, 10081), (2372, 8075), (2965, 6460), (3230, 5930)]