19432420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 28830620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 251, 316, 395, 490, 502, 553, 790, 980, 1004, 1106, 1255, 1580, 1757, 2212, 2510, 2765, 3514, 3871, 5020, 5530, 7028, 7742, 8785, 11060, 12299, 15484, 17570, 19355, 19829, 24598, 35140, 38710, 39658, 49196, 61495, 77420, 79316, 99145, 122990, 138803, 198290, 245980, 277606, 396580, 555212, 694015, 971621, 1388030, 1943242, 2776060, 3886484, 4858105, 9716210, 19432420]

約数ペア:

[(1, 19432420), (2, 9716210), (4, 4858105), (5, 3886484), (7, 2776060), (10, 1943242), (14, 1388030), (20, 971621), (28, 694015), (35, 555212), (49, 396580), (70, 277606), (79, 245980), (98, 198290), (140, 138803), (158, 122990), (196, 99145), (245, 79316), (251, 77420), (316, 61495), (395, 49196), (490, 39658), (502, 38710), (553, 35140), (790, 24598), (980, 19829), (1004, 19355), (1106, 17570), (1255, 15484), (1580, 12299), (1757, 11060), (2212, 8785), (2510, 7742), (2765, 7028), (3514, 5530), (3871, 5020)]