19818396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 39621348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 47, 51, 52, 53, 68, 78, 94, 102, 106, 117, 141, 153, 156, 159, 188, 204, 212, 221, 234, 282, 306, 318, 423, 442, 468, 477, 564, 611, 612, 636, 663, 689, 799, 846, 884, 901, 954, 1222, 1326, 1378, 1598, 1692, 1802, 1833, 1908, 1989, 2067, 2397, 2444, 2491, 2652, 2703, 2756, 3196, 3604, 3666, 3978, 4134, 4794, 4982, 5406, 5499, 6201, 7191, 7332, 7473, 7956, 8109, 8268, 9588, 9964, 10387, 10812, 10998, 11713, 12402, 14382, 14946, 16218, 20774, 21996, 22419, 23426, 24804, 28764, 29892, 31161, 32383, 32436, 35139, 41548, 42347, 44838, 46852, 62322, 64766, 70278, 84694, 89676, 93483, 97149, 105417, 124644, 127041, 129532, 140556, 169388, 186966, 194298, 210834, 254082, 291447, 373932, 381123, 388596, 421668, 508164, 550511, 582894, 762246, 1101022, 1165788, 1524492, 1651533, 2202044, 3303066, 4954599, 6606132, 9909198, 19818396]

約数ペア:

[(1, 19818396), (2, 9909198), (3, 6606132), (4, 4954599), (6, 3303066), (9, 2202044), (12, 1651533), (13, 1524492), (17, 1165788), (18, 1101022), (26, 762246), (34, 582894), (36, 550511), (39, 508164), (47, 421668), (51, 388596), (52, 381123), (53, 373932), (68, 291447), (78, 254082), (94, 210834), (102, 194298), (106, 186966), (117, 169388), (141, 140556), (153, 129532), (156, 127041), (159, 124644), (188, 105417), (204, 97149), (212, 93483), (221, 89676), (234, 84694), (282, 70278), (306, 64766), (318, 62322), (423, 46852), (442, 44838), (468, 42347), (477, 41548), (564, 35139), (611, 32436), (612, 32383), (636, 31161), (663, 29892), (689, 28764), (799, 24804), (846, 23426), (884, 22419), (901, 21996), (954, 20774), (1222, 16218), (1326, 14946), (1378, 14382), (1598, 12402), (1692, 11713), (1802, 10998), (1833, 10812), (1908, 10387), (1989, 9964), (2067, 9588), (2397, 8268), (2444, 8109), (2491, 7956), (2652, 7473), (2703, 7332), (2756, 7191), (3196, 6201), (3604, 5499), (3666, 5406), (3978, 4982), (4134, 4794)]