19221560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1280

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 28600840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1229, 1564, 1955, 2458, 3128, 3910, 4916, 6145, 7820, 9832, 12290, 15640, 20893, 24580, 28267, 41786, 49160, 56534, 83572, 104465, 113068, 141335, 167144, 208930, 226136, 282670, 417860, 480539, 565340, 835720, 961078, 1130680, 1922156, 2402695, 3844312, 4805390, 9610780, 19221560]

約数ペア:

[(1, 19221560), (2, 9610780), (4, 4805390), (5, 3844312), (8, 2402695), (10, 1922156), (17, 1130680), (20, 961078), (23, 835720), (34, 565340), (40, 480539), (46, 417860), (68, 282670), (85, 226136), (92, 208930), (115, 167144), (136, 141335), (170, 113068), (184, 104465), (230, 83572), (340, 56534), (391, 49160), (460, 41786), (680, 28267), (782, 24580), (920, 20893), (1229, 15640), (1564, 12290), (1955, 9832), (2458, 7820), (3128, 6145), (3910, 4916)]