19671720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9643}}^1$

素因数の和:9674

約数の個数: 64

約数和(自身を含む): 62493120

約数和(自身を除く): 42821400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9643, 19286, 28929, 38572, 48215, 57858, 77144, 96430, 115716, 144645, 163931, 192860, 231432, 289290, 327862, 385720, 491793, 578580, 655724, 819655, 983586, 1157160, 1311448, 1639310, 1967172, 2458965, 3278620, 3934344, 4917930, 6557240, 9835860, 19671720]

約数ペア:

[(1, 19671720), (2, 9835860), (3, 6557240), (4, 4917930), (5, 3934344), (6, 3278620), (8, 2458965), (10, 1967172), (12, 1639310), (15, 1311448), (17, 1157160), (20, 983586), (24, 819655), (30, 655724), (34, 578580), (40, 491793), (51, 385720), (60, 327862), (68, 289290), (85, 231432), (102, 192860), (120, 163931), (136, 144645), (170, 115716), (204, 96430), (255, 77144), (340, 57858), (408, 48215), (510, 38572), (680, 28929), (1020, 19286), (2040, 9643)]