19678968

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 56019600

約数和(自身を除く): 36340632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 83, 89, 111, 148, 166, 178, 222, 249, 267, 296, 332, 333, 356, 444, 498, 534, 664, 666, 712, 747, 801, 888, 996, 1068, 1332, 1494, 1602, 1992, 2136, 2664, 2988, 3071, 3204, 3293, 5976, 6142, 6408, 6586, 7387, 9213, 9879, 12284, 13172, 14774, 18426, 19758, 22161, 24568, 26344, 27639, 29548, 29637, 36852, 39516, 44322, 55278, 59096, 59274, 66483, 73704, 79032, 88644, 110556, 118548, 132966, 177288, 221112, 237096, 265932, 273319, 531864, 546638, 819957, 1093276, 1639914, 2186552, 2459871, 3279828, 4919742, 6559656, 9839484, 19678968]

約数ペア:

[(1, 19678968), (2, 9839484), (3, 6559656), (4, 4919742), (6, 3279828), (8, 2459871), (9, 2186552), (12, 1639914), (18, 1093276), (24, 819957), (36, 546638), (37, 531864), (72, 273319), (74, 265932), (83, 237096), (89, 221112), (111, 177288), (148, 132966), (166, 118548), (178, 110556), (222, 88644), (249, 79032), (267, 73704), (296, 66483), (332, 59274), (333, 59096), (356, 55278), (444, 44322), (498, 39516), (534, 36852), (664, 29637), (666, 29548), (712, 27639), (747, 26344), (801, 24568), (888, 22161), (996, 19758), (1068, 18426), (1332, 14774), (1494, 13172), (1602, 12284), (1992, 9879), (2136, 9213), (2664, 7387), (2988, 6586), (3071, 6408), (3204, 6142), (3293, 5976)]