19078150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 25450250

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 599, 637, 650, 910, 1198, 1225, 1274, 2275, 2450, 2995, 3185, 4193, 4550, 5990, 6370, 7787, 8386, 14975, 15574, 15925, 20965, 29351, 29950, 31850, 38935, 41930, 54509, 58702, 77870, 104825, 109018, 146755, 194675, 209650, 272545, 293510, 381563, 389350, 545090, 733775, 763126, 1362725, 1467550, 1907815, 2725450, 3815630, 9539075, 19078150]

約数ペア:

[(1, 19078150), (2, 9539075), (5, 3815630), (7, 2725450), (10, 1907815), (13, 1467550), (14, 1362725), (25, 763126), (26, 733775), (35, 545090), (49, 389350), (50, 381563), (65, 293510), (70, 272545), (91, 209650), (98, 194675), (130, 146755), (175, 109018), (182, 104825), (245, 77870), (325, 58702), (350, 54509), (455, 41930), (490, 38935), (599, 31850), (637, 29950), (650, 29351), (910, 20965), (1198, 15925), (1225, 15574), (1274, 14975), (2275, 8386), (2450, 7787), (2995, 6370), (3185, 5990), (4193, 4550)]