19072980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 64157184

約数和(自身を除く): 45084204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 271, 276, 306, 340, 345, 391, 414, 460, 510, 542, 612, 690, 765, 782, 813, 828, 1020, 1035, 1084, 1173, 1355, 1380, 1530, 1564, 1626, 1955, 2070, 2346, 2439, 2710, 3060, 3252, 3519, 3910, 4065, 4140, 4607, 4692, 4878, 5420, 5865, 6233, 7038, 7820, 8130, 9214, 9756, 11730, 12195, 12466, 13821, 14076, 16260, 17595, 18428, 18699, 23035, 23460, 24390, 24932, 27642, 31165, 35190, 37398, 41463, 46070, 48780, 55284, 56097, 62330, 69105, 70380, 74796, 82926, 92140, 93495, 105961, 112194, 124660, 138210, 165852, 186990, 207315, 211922, 224388, 276420, 280485, 317883, 373980, 414630, 423844, 529805, 560970, 635766, 829260, 953649, 1059610, 1121940, 1271532, 1589415, 1907298, 2119220, 3178830, 3814596, 4768245, 6357660, 9536490, 19072980]

約数ペア:

[(1, 19072980), (2, 9536490), (3, 6357660), (4, 4768245), (5, 3814596), (6, 3178830), (9, 2119220), (10, 1907298), (12, 1589415), (15, 1271532), (17, 1121940), (18, 1059610), (20, 953649), (23, 829260), (30, 635766), (34, 560970), (36, 529805), (45, 423844), (46, 414630), (51, 373980), (60, 317883), (68, 280485), (69, 276420), (85, 224388), (90, 211922), (92, 207315), (102, 186990), (115, 165852), (138, 138210), (153, 124660), (170, 112194), (180, 105961), (204, 93495), (207, 92140), (230, 82926), (255, 74796), (271, 70380), (276, 69105), (306, 62330), (340, 56097), (345, 55284), (391, 48780), (414, 46070), (460, 41463), (510, 37398), (542, 35190), (612, 31165), (690, 27642), (765, 24932), (782, 24390), (813, 23460), (828, 23035), (1020, 18699), (1035, 18428), (1084, 17595), (1173, 16260), (1355, 14076), (1380, 13821), (1530, 12466), (1564, 12195), (1626, 11730), (1955, 9756), (2070, 9214), (2346, 8130), (2439, 7820), (2710, 7038), (3060, 6233), (3252, 5865), (3519, 5420), (3910, 4878), (4065, 4692), (4140, 4607)]